# sunspot [1] monthly mean sunspot number
# from <a href="http://sidc.oma.be/">SIDC</a>
 1749   58.0   62.6   70.0   55.7   85.0   83.5   94.8   66.3   75.9   75.5  158.6   85.2
 1750   73.3   75.9   89.2   88.3   90.0  100.0   85.4  103.0   91.2   65.7   63.3   75.4
 1751   70.0   43.5   45.3   56.4   60.7   50.7   66.3   59.8   23.5   23.2   28.5   44.0
 1752   35.0   50.0   71.0   59.3   59.7   39.6   78.4   29.3   27.1   46.6   37.6   40.0
 1753   44.0   32.0   45.7   38.0   36.0   31.7   22.0   39.0   28.0   25.0   20.0    6.7
 1754    0.0    3.0    1.7   13.7   20.7   26.7   18.8   12.3    8.2   24.1   13.2    4.2
 1755   10.2   11.2    6.8    6.5    0.0    0.0    8.6    3.2   17.8   23.7    6.8   20.0
 1756   12.5    7.1    5.4    9.4   12.5   12.9    3.6    6.4   11.8   14.3   17.0    9.4
 1757   14.1   21.2   26.2   30.0   38.1   12.8   25.0   51.3   39.7   32.5   64.7   33.5
 1758   37.6   52.0   49.0   72.3   46.4   45.0   44.0   38.7   62.5   37.7   43.0   43.0
 1759   48.3   44.0   46.8   47.0   49.0   50.0   51.0   71.3   77.2   59.7   46.3   57.0
 1760   67.3   59.5   74.7   58.3   72.0   48.3   66.0   75.6   61.3   50.6   59.7   61.0
 1761   70.0   91.0   80.7   71.7  107.2   99.3   94.1   91.1  100.7   88.7   89.7   46.0
 1762   43.8   72.8   45.7   60.2   39.9   77.1   33.8   67.7   68.5   69.3   77.8   77.2
 1763   56.5   31.9   34.2   32.9   32.7   35.8   54.2   26.5   68.1   46.3   60.9   61.4
 1764   59.7   59.7   40.2   34.4   44.3   30.0   30.0   30.0   28.2   28.0   26.0   25.7
 1765   24.0   26.0   25.0   22.0   20.2   20.0   27.0   29.7   16.0   14.0   14.0   13.0
 1766   12.0   11.0   36.6    6.0   26.8    3.0    3.3    4.0    4.3    5.0    5.7   19.2
 1767   27.4   30.0   43.0   32.9   29.8   33.3   21.9   40.8   42.7   44.1   54.7   53.3
 1768   53.5   66.1   46.3   42.7   77.7   77.4   52.6   66.8   74.8   77.8   90.6  111.8
 1769   73.9   64.2   64.3   96.7   73.6   94.4  118.6  120.3  148.8  158.2  148.1  112.0
 1770  104.0  142.5   80.1   51.0   70.1   83.3  109.8  126.3  104.4  103.6  132.2  102.3
 1771   36.0   46.2   46.7   64.9  152.7  119.5   67.7   58.5  101.4   90.0   99.7   95.7
 1772  100.9   90.8   31.1   92.2   38.0   57.0   77.3   56.2   50.5   78.6   61.3   64.0
 1773   54.6   29.0   51.2   32.9   41.1   28.4   27.7   12.7   29.3   26.3   40.9   43.2
 1774   46.8   65.4   55.7   43.8   51.3   28.5   17.5    6.6    7.9   14.0   17.7   12.2
 1775    4.4    0.0   11.6   11.2    3.9   12.3    1.0    7.9    3.2    5.6   15.1    7.9
 1776   21.7   11.6    6.3   21.8   11.2   19.0    1.0   24.2   16.0   30.0   35.0   40.0
 1777   45.0   36.5   39.0   95.5   80.3   80.7   95.0  112.0  116.2  106.5  146.0  157.3
 1778  177.3  109.3  134.0  145.0  238.9  171.6  153.0  140.0  171.7  156.3  150.3  105.0
 1779  114.7  165.7  118.0  145.0  140.0  113.7  143.0  112.0  111.0  124.0  114.0  110.0
 1780   70.0   98.0   98.0   95.0  107.2   88.0   86.0   86.0   93.7   77.0   60.0   58.7
 1781   98.7   74.7   53.0   68.3  104.7   97.7   73.5   66.0   51.0   27.3   67.0   35.2
 1782   54.0   37.5   37.0   41.0   54.3   38.0   37.0   44.0   34.0   23.2   31.5   30.0
 1783   28.0   38.7   26.7   28.3   23.0   25.2   32.2   20.0   18.0    8.0   15.0   10.5
 1784   13.0    8.0   11.0   10.0    6.0    9.0    6.0   10.0   10.0    8.0   17.0   14.0
 1785    6.5    8.0    9.0   15.7   20.7   26.3   36.3   20.0   32.0   47.2   40.2   27.3
 1786   37.2   47.6   47.7   85.4   92.3   59.0   83.0   89.7  111.5  112.3  116.0  112.7
 1787  134.7  106.0   87.4  127.2  134.8   99.2  128.0  137.2  157.3  157.0  141.5  174.0
 1788  138.0  129.2  143.3  108.5  113.0  154.2  141.5  136.0  141.0  142.0   94.7  129.5
 1789  114.0  125.3  120.0  123.3  123.5  120.0  117.0  103.0  112.0   89.7  134.0  135.5
 1790  103.0  127.5   96.3   94.0   93.0   91.0   69.3   87.0   77.3   84.3   82.0   74.0
 1791   72.7   62.0   74.0   77.2   73.7   64.2   71.0   43.0   66.5   61.7   67.0   66.0
 1792   58.0   64.0   63.0   75.7   62.0   61.0   45.8   60.0   59.0   59.0   57.0   56.0
 1793   56.0   55.0   55.5   53.0   52.3   51.0   50.0   29.3   24.0   47.0   44.0   45.7
 1794   45.0   44.0   38.0   28.4   55.7   41.5   41.0   40.0   11.1   28.5   67.4   51.4
 1795   21.4   39.9   12.6   18.6   31.0   17.1   12.9   25.7   13.5   19.5   25.0   18.0
 1796   22.0   23.8   15.7   31.7   21.0    6.7   26.9    1.5   18.4   11.0    8.4    5.1
 1797   14.4    4.2    4.0    4.0    7.3   11.1    4.3    6.0    5.7    6.9    5.8    3.0
 1798    2.0    4.0   12.4    1.1    0.0    0.0    0.0    3.0    2.4    1.5   12.5    9.9
 1799    1.6   12.6   21.7    8.4    8.2   10.6    2.1    0.0    0.0    4.6    2.7    8.6
 1800    6.9    9.3   13.9    0.0    5.0   23.7   21.0   19.5   11.5   12.3   10.5   40.1
 1801   27.0   29.0   30.0   31.0   32.0   31.2   35.0   38.7   33.5   32.6   39.8   48.2
 1802   47.8   47.0   40.8   42.0   44.0   46.0   48.0   50.0   51.8   38.5   34.5   50.0
 1803   50.0   50.8   29.5   25.0   44.3   36.0   48.3   34.1   45.3   54.3   51.0   48.0
 1804   45.3   48.3   48.0   50.6   33.4   34.8   29.8   43.1   53.0   62.3   61.0   60.0
 1805   61.0   44.1   51.4   37.5   39.0   40.5   37.6   42.7   44.4   29.4   41.0   38.3
 1806   39.0   29.6   32.7   27.7   26.4   25.6   30.0   26.3   24.0   27.0   25.0   24.0
 1807   12.0   12.2    9.6   23.8   10.0   12.0   12.7   12.0    5.7    8.0    2.6    0.0
 1808    0.0    4.5    0.0   12.3   13.5   13.5    6.7    8.0   11.7    4.7   10.5   12.3
 1809    7.2    9.2    0.9    2.5    2.0    7.7    0.3    0.2    0.4    0.0    0.0    0.0
 1810    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0
 1811    0.0    0.0    0.0    0.0    0.0    0.0    6.6    0.0    2.4    6.1    0.8    1.1
 1812   11.3    1.9    0.7    0.0    1.0    1.3    0.5   15.6    5.2    3.9    7.9   10.1
 1813    0.0   10.3    1.9   16.6    5.5   11.2   18.3    8.4   15.3   27.8   16.7   14.3
 1814   22.2   12.0    5.7   23.8    5.8   14.9   18.5    2.3    8.1   19.3   14.5   20.1
 1815   19.2   32.2   26.2   31.6    9.8   55.9   35.5   47.2   31.5   33.5   37.2   65.0
 1816   26.3   68.8   73.7   58.8   44.3   43.6   38.8   23.2   47.8   56.4   38.1   29.9
 1817   36.4   57.9   96.2   26.4   21.2   40.0   50.0   45.0   36.7   25.6   28.9   28.4
 1818   34.9   22.4   25.4   34.5   53.1   36.4   28.0   31.5   26.1   31.6   10.9   25.8
 1819   32.8   20.7    3.7   20.2   19.6   35.0   31.4   26.1   14.9   27.5   25.1   30.6
 1820   19.2   26.6    4.5   19.4   29.3   10.8   20.6   25.9    5.2    8.9    7.9    9.1
 1821   21.5    4.2    5.7    9.2    1.7    1.8    2.5    4.8    4.4   18.8    4.4    0.2
 1822    0.0    0.9   16.1   13.5    1.5    5.6    7.9    2.1    0.0    0.4    0.0    0.0
 1823    0.0    0.0    0.6    0.0    0.0    0.0    0.5    0.0    0.0    0.0    0.0   20.4
 1824   21.7   10.8    0.0   19.4    2.8    0.0    0.0    1.4   20.5   25.2    0.0    0.8
 1825    5.0   15.5   22.4    3.8   15.5   15.4   30.9   25.7   15.7   15.6   11.7   22.0
 1826   17.7   18.2   36.7   24.0   32.4   37.1   52.5   39.6   18.9   50.6   39.5   68.1
 1827   34.6   47.4   57.8   46.0   56.3   56.7   42.3   53.7   49.6   56.1   48.2   46.1
 1828   52.8   64.4   65.0   61.1   89.1   98.0   54.2   76.4   50.4   54.7   57.0   46.9
 1829   43.0   49.4   72.3   95.0   67.4   73.9   90.8   77.6   52.8   57.2   67.6   56.5
 1830   52.2   72.1   84.6  106.3   66.3   65.1   43.9   50.7   62.1   84.4   81.2   82.1
 1831   47.5   50.1   93.4   54.5   38.1   33.4   45.2   55.0   37.9   46.3   43.5   28.9
 1832   30.9   55.6   55.1   26.9   41.3   26.7   14.0    8.9    8.2   21.1   14.3   27.5
 1833   11.3   14.9   11.8    2.8   12.9    1.0    7.0    5.7   11.6    7.5    5.9    9.9
 1834    4.9   18.1    3.9    1.4    8.8    7.8    8.7    4.0   11.5   24.8   30.5   34.5
 1835    7.5   24.5   19.7   61.5   43.6   33.2   59.8   59.0  100.8   95.2  100.0   77.5
 1836   88.6  107.6   98.2  142.9  111.4  124.7  116.7  107.8   95.1  137.4  120.9  206.2
 1837  188.0  175.6  134.6  138.2  111.7  158.0  162.8  134.0   96.3  123.7  107.0  129.8
 1838  144.9   84.8  140.8  126.6  137.6   94.5  108.2   78.8   73.6   90.8   77.4   79.8
 1839  105.6  102.5   77.7   61.8   53.8   54.6   84.8  131.2  132.7   90.9   68.8   63.7
 1840   81.2   87.7   67.8   65.9   69.2   48.5   60.7   57.8   74.0   55.0   54.3   53.7
 1841   24.1   29.9   29.7   40.2   67.5   55.7   30.8   39.3   36.5   28.5   19.8   38.8
 1842   20.4   22.1   21.7   26.9   24.9   20.5   12.6   26.6   18.4   38.1   40.5   17.6
 1843   13.3    3.5    8.3    9.5   21.1   10.5    9.5   11.8    4.2    5.3   19.1   12.7
 1844    9.4   14.7   13.6   20.8   11.6    3.7   21.2   23.9    7.0   21.5   10.7   21.6
 1845   25.7   43.6   43.3   57.0   47.8   31.1   30.6   32.3   29.6   40.7   39.4   59.7
 1846   38.7   51.0   63.9   69.3   59.9   65.1   46.5   54.8  107.1   55.9   60.4   65.5
 1847   62.6   44.9   85.7   44.7   75.4   85.3   52.2  140.6  160.9  180.4  138.9  109.6
 1848  159.1  111.8  108.6  107.1  102.2  129.0  139.2  132.6  100.3  132.4  114.6  159.5
 1849  157.0  131.7   96.2  102.5   80.6   81.1   78.0   67.7   93.7   71.5   99.0   97.0
 1850   78.0   89.4   82.6   44.1   61.6   70.0   39.1   61.6   86.2   71.0   54.8   61.0
 1851   75.5  105.4   64.6   56.5   62.6   63.2   36.1   57.4   67.9   62.5   51.0   71.4
 1852   68.4   66.4   61.2   65.4   54.9   46.9   42.1   39.7   37.5   67.3   54.3   45.4
 1853   41.1   42.9   37.7   47.6   34.7   40.0   45.9   50.4   33.5   42.3   28.8   23.4
 1854   15.4   20.0   20.7   26.5   24.0   21.1   18.7   15.8   22.4   12.6   28.2   21.6
 1855   12.3   11.4   17.4    4.4    9.1    5.3    0.4    3.1    0.0    9.6    4.2    3.1
 1856    0.5    4.9    0.4    6.5    0.0    5.2    4.6    5.9    4.4    4.5    7.7    7.2
 1857   13.7    7.4    5.2   11.1   28.6   16.0   22.2   16.9   42.4   40.6   31.4   37.2
 1858   39.0   34.9   57.5   38.3   41.4   44.5   56.7   55.3   80.1   91.2   51.9   66.9
 1859   83.7   87.6   90.3   85.7   91.0   87.1   95.2  106.8  105.8  114.6   97.2   81.0
 1860   82.4   88.3   98.9   71.4  107.1  108.6  116.7  100.3   92.2   90.1   97.9   95.6
 1861   62.3   77.7  101.0   98.5   56.8   88.1   78.0   82.5   79.9   67.2   53.7   80.5
 1862   63.1   64.5   43.6   53.7   64.4   84.0   73.4   62.5   66.6   41.9   50.6   40.9
 1863   48.3   56.7   66.4   40.6   53.8   40.8   32.7   48.1   22.0   39.9   37.7   41.2
 1864   57.7   47.1   66.3   35.8   40.6   57.8   54.7   54.8   28.5   33.9   57.6   28.6
 1865   48.7   39.3   39.5   29.4   34.5   33.6   26.8   37.8   21.6   17.1   24.6   12.8
 1866   31.6   38.4   24.6   17.6   12.9   16.5    9.3   12.7    7.3   14.1    9.0    1.5
 1867    0.0    0.7    9.2    5.1    2.9    1.5    5.0    4.8    9.8   13.5    9.6   25.2
 1868   15.6   15.7   26.5   36.6   26.7   31.1   29.0   34.4   47.2   61.6   59.1   67.6
 1869   60.9   59.9   52.7   41.0  103.9  108.4   59.2   79.6   80.6   59.3   78.1  104.3
 1870   77.3  114.9  157.6  160.0  176.0  135.6  132.4  153.8  136.0  146.4  147.5  130.0
 1871   88.3  125.3  143.2  162.4  145.5   91.7  103.0  110.1   80.3   89.0  105.4   90.4
 1872   79.5  120.1   88.4  102.1  107.6  109.9  105.5   92.9  114.6  102.6  112.0   83.9
 1873   86.7  107.0   98.3   76.2   47.9   44.8   66.9   68.2   47.1   47.1   55.4   49.2
 1874   60.8   64.2   46.4   32.0   44.6   38.2   67.8   61.3   28.0   34.3   28.9   29.3
 1875   14.6   21.5   33.8   29.1   11.5   23.9   12.5   14.6    2.4   12.7   17.7    9.9
 1876   14.3   15.0   30.6    2.3    5.1    1.6   15.2    8.8    9.9   14.3    9.9    8.2
 1877   24.4    8.7   11.9   15.8   21.6   14.2    6.0    6.3   16.9    6.7   14.2    2.2
 1878    3.3    6.6    7.8    0.1    5.9    6.4    0.1    0.0    5.3    1.1    4.1    0.5
 1879    1.0    0.6    0.0    6.2    2.4    4.8    7.5   10.7    6.1   12.3   13.1    7.3
 1880   24.0   27.2   19.3   19.5   23.5   34.1   21.9   48.1   66.0   43.0   30.7   29.6
 1881   36.4   53.2   51.5   51.6   43.5   60.5   76.9   58.4   53.2   64.4   54.8   47.3
 1882   45.0   69.5   66.8   95.8   64.1   45.2   45.4   40.4   57.7   59.2   84.4   41.8
 1883   60.6   46.9   42.8   82.1   31.5   76.3   80.6   46.0   52.6   83.8   84.5   75.9
 1884   91.5   86.9   87.5   76.1   66.5   51.2   53.1   55.8   61.9   47.8   36.6   47.2
 1885   42.8   71.8   49.8   55.0   73.0   83.7   66.5   50.0   39.6   38.7   30.9   21.7
 1886   29.9   25.9   57.3   43.7   30.7   27.1   30.3   16.9   21.4    8.6    0.3   13.0
 1887   10.3   13.2    4.2    6.9   20.0   15.7   23.3   21.4    7.4    6.6    6.9   20.7
 1888   12.7    7.1    7.8    5.1    7.0    7.1    3.1    2.8    8.8    2.1   10.7    6.7
 1889    0.8    8.5    6.7    4.3    2.4    6.4    9.4   20.6    6.5    2.1    0.2    6.7
 1890    5.3    0.6    5.1    1.6    4.8    1.3   11.6    8.5   17.2   11.2    9.6    7.8
 1891   13.5   22.2   10.4   20.5   41.1   48.3   58.8   33.0   53.8   51.5   41.9   32.5
 1892   69.1   75.6   49.9   69.6   79.6   76.3   76.5  101.4   62.8   70.5   65.4   78.6
 1893   75.0   73.0   65.7   88.1   84.7   89.9   88.6  129.2   77.9   80.0   75.1   93.8
 1894   83.2   84.6   52.3   81.6  101.2   98.9  106.0   70.3   65.9   75.5   56.6   60.0
 1895   63.3   67.2   61.0   76.9   67.5   71.5   47.8   68.9   57.7   67.9   47.2   70.7
 1896   29.0   57.4   52.0   43.8   27.7   49.0   45.0   27.2   61.3   28.7   38.0   42.6
 1897   40.6   29.4   29.1   31.0   20.0   11.3   27.6   21.8   48.1   14.3    8.4   33.3
 1898   30.2   36.4   38.3   14.5   25.8   22.3    9.0   31.4   34.8   34.4   30.9   12.6
 1899   19.5    9.2   18.1   14.2    7.7   20.5   13.5    2.9    8.4   13.0    7.8   10.5
 1900    9.4   13.6    8.6   16.0   15.2   12.1    8.3    4.3    8.3   12.9    4.5    0.3
 1901    0.2    2.4    4.5    0.0   10.2    5.8    0.7    1.0    0.6    3.7    3.8    0.0
 1902    5.5    0.0   12.4    0.0    2.8    1.4    0.9    2.3    7.6   16.3   10.3    1.1
 1903    8.3   17.0   13.5   26.1   14.6   16.3   27.9   28.8   11.1   38.9   44.5   45.6
 1904   31.6   24.5   37.2   43.0   39.5   41.9   50.6   58.2   30.1   54.2   38.0   54.6
 1905   54.8   85.8   56.5   39.3   48.0   49.0   73.0   58.8   55.0   78.7  107.2   55.5
 1906   45.5   31.3   64.5   55.3   57.7   63.2  103.6   47.7   56.1   17.8   38.9   64.7
 1907   76.4  108.2   60.7   52.6   42.9   40.4   49.7   54.3   85.0   65.4   61.5   47.3
 1908   39.2   33.9   28.7   57.6   40.8   48.1   39.5   90.5   86.9   32.3   45.5   39.5
 1909   56.7   46.6   66.3   32.3   36.0   22.6   35.8   23.1   38.8   58.4   55.8   54.2
 1910   26.4   31.5   21.4    8.4   22.2   12.3   14.1   11.5   26.2   38.3    4.9    5.8
 1911    3.4    9.0    7.8   16.5    9.0    2.2    3.5    4.0    4.0    2.6    4.2    2.2
 1912    0.3    0.0    4.9    4.5    4.4    4.1    3.0    0.3    9.5    4.6    1.1    6.4
 1913    2.3    2.9    0.5    0.9    0.0    0.0    1.7    0.2    1.2    3.1    0.7    3.8
 1914    2.8    2.6    3.1   17.3    5.2   11.4    5.4    7.7   12.7    8.2   16.4   22.3
 1915   23.0   42.3   38.8   41.3   33.0   68.8   71.6   69.6   49.5   53.5   42.5   34.5
 1916   45.3   55.4   67.0   71.8   74.5   67.7   53.5   35.2   45.1   50.7   65.6   53.0
 1917   74.7   71.9   94.8   74.7  114.1  114.9  119.8  154.5  129.4   72.2   96.4  129.3
 1918   96.0   65.3   72.2   80.5   76.7   59.4  107.6  101.7   79.9   85.0   83.4   59.2
 1919   48.1   79.5   66.5   51.8   88.1  111.2   64.7   69.0   54.7   52.8   42.0   34.9
 1920   51.1   53.9   70.2   14.8   33.3   38.7   27.5   19.2   36.3   49.6   27.2   29.9
 1921   31.5   28.3   26.7   32.4   22.2   33.7   41.9   22.8   17.8   18.2   17.8   20.3
 1922   11.8   26.4   54.7   11.0    8.0    5.8   10.9    6.5    4.7    6.2    7.4   17.5
 1923    4.5    1.5    3.3    6.1    3.2    9.1    3.5    0.5   13.2   11.6   10.0    2.8
 1924    0.5    5.1    1.8   11.3   20.8   24.0   28.1   19.3   25.1   25.6   22.5   16.5
 1925    5.5   23.2   18.0   31.7   42.8   47.5   38.5   37.9   60.2   69.2   58.6   98.6
 1926   71.8   69.9   62.5   38.5   64.3   73.5   52.3   61.6   60.8   71.5   60.5   79.4
 1927   81.6   93.0   69.6   93.5   79.1   59.1   54.9   53.8   68.4   63.1   67.2   45.2
 1928   83.5   73.5   85.4   80.6   77.0   91.4   98.0   83.8   89.7   61.4   50.3   59.0
 1929   68.9   62.8   50.2   52.8   58.2   71.9   70.2   65.8   34.4   54.0   81.1  108.0
 1930   65.3   49.9   35.0   38.2   36.8   28.8   21.9   24.9   32.1   34.4   35.6   25.8
 1931   14.6   43.1   30.0   31.2   24.6   15.3   17.4   13.0   19.0   10.0   18.7   17.8
 1932   12.1   10.6   11.2   11.2   17.9   22.2    9.6    6.8    4.0    8.9    8.2   11.0
 1933   12.3   22.2   10.1    2.9    3.2    5.2    2.8    0.2    5.1    3.0    0.6    0.3
 1934    3.4    7.8    4.3   11.3   19.7    6.7    9.3    8.3    4.0    5.7    8.7   15.4
 1935   18.6   20.5   23.1   12.2   27.3   45.7   33.9   30.1   42.1   53.2   64.2   61.5
 1936   62.8   74.3   77.1   74.9   54.6   70.0   52.3   87.0   76.0   89.0  115.4  123.4
 1937  132.5  128.5   83.9  109.3  116.7  130.3  145.1  137.7  100.7  124.9   74.4   88.8
 1938   98.4  119.2   86.5  101.0  127.4   97.5  165.3  115.7   89.6   99.1  122.2   92.7
 1939   80.3   77.4   64.6  109.1  118.3  101.0   97.6  105.8  112.6   88.1   68.1   42.1
 1940   50.5   59.4   83.3   60.7   54.4   83.9   67.5  105.5   66.5   55.0   58.4   68.3
 1941   45.6   44.5   46.4   32.8   29.5   59.8   66.9   60.0   65.9   46.3   38.4   33.7
 1942   35.6   52.8   54.2   60.7   25.0   11.4   17.7   20.2   17.2   19.2   30.7   22.5
 1943   12.4   28.9   27.4   26.1   14.1    7.6   13.2   19.4   10.0    7.8   10.2   18.8
 1944    3.7    0.5   11.0    0.3    2.5    5.0    5.0   16.7   14.3   16.9   10.8   28.4
 1945   18.5   12.7   21.5   32.0   30.6   36.2   42.6   25.9   34.9   68.8   46.0   27.4
 1946   47.6   86.2   76.6   75.7   84.9   73.5  116.2  107.2   94.4  102.3  123.8  121.7
 1947  115.7  133.4  129.8  149.8  201.3  163.9  157.9  188.8  169.4  163.6  128.0  116.5
 1948  108.5   86.1   94.8  189.7  174.0  167.8  142.2  157.9  143.3  136.3   95.8  138.0
 1949  119.1  182.3  157.5  147.0  106.2  121.7  125.8  123.8  145.3  131.6  143.5  117.6
 1950  101.6   94.8  109.7  113.4  106.2   83.6   91.0   85.2   51.3   61.4   54.8   54.1
 1951   59.9   59.9   55.9   92.9  108.5  100.6   61.5   61.0   83.1   51.6   52.4   45.8
 1952   40.7   22.7   22.0   29.1   23.4   36.4   39.3   54.9   28.2   23.8   22.1   34.3
 1953   26.5    3.9   10.0   27.8   12.5   21.8    8.6   23.5   19.3    8.2    1.6    2.5
 1954    0.2    0.5   10.9    1.8    0.8    0.2    4.8    8.4    1.5    7.0    9.2    7.6
 1955   23.1   20.8    4.9   11.3   28.9   31.7   26.7   40.7   42.7   58.5   89.2   76.9
 1956   73.6  124.0  118.4  110.7  136.6  116.6  129.1  169.6  173.2  155.3  201.3  192.1
 1957  165.0  130.2  157.4  175.2  164.6  200.7  187.2  158.0  235.8  253.8  210.9  239.4
 1958  202.5  164.9  190.7  196.0  175.3  171.5  191.4  200.2  201.2  181.5  152.3  187.6
 1959  217.4  143.1  185.7  163.3  172.0  168.7  149.6  199.6  145.2  111.4  124.0  125.0
 1960  146.3  106.0  102.2  122.0  119.6  110.2  121.7  134.1  127.2   82.8   89.6   85.6
 1961   57.9   46.1   53.0   61.4   51.0   77.4   70.2   55.8   63.6   37.7   32.6   39.9
 1962   38.7   50.3   45.6   46.4   43.7   42.0   21.8   21.8   51.3   39.5   26.9   23.2
 1963   19.8   24.4   17.1   29.3   43.0   35.9   19.6   33.2   38.8   35.3   23.4   14.9
 1964   15.3   17.7   16.5    8.6    9.5    9.1    3.1    9.3    4.7    6.1    7.4   15.1
 1965   17.5   14.2   11.7    6.8   24.1   15.9   11.9    8.9   16.8   20.1   15.8   17.0
 1966   28.2   24.4   25.3   48.7   45.3   47.7   56.7   51.2   50.2   57.2   57.2   70.4
 1967  110.9   93.6  111.8   69.5   86.5   67.3   91.5  107.2   76.8   88.2   94.3  126.4
 1968  121.8  111.9   92.2   81.2  127.2  110.3   96.1  109.3  117.2  107.7   86.0  109.8
 1969  104.4  120.5  135.8  106.8  120.0  106.0   96.8   98.0   91.3   95.7   93.5   97.9
 1970  111.5  127.8  102.9  109.5  127.5  106.8  112.5   93.0   99.5   86.6   95.2   83.5
 1971   91.3   79.0   60.7   71.8   57.5   49.8   81.0   61.4   50.2   51.7   63.2   82.2
 1972   61.5   88.4   80.1   63.2   80.5   88.0   76.5   76.8   64.0   61.3   41.6   45.3
 1973   43.4   42.9   46.0   57.7   42.4   37.5   23.1   25.6   59.3   30.7   23.9   23.3
 1974   27.6   26.0   21.3   40.3   39.5   36.0   55.8   33.6   40.2   47.1   25.0   20.5
 1975   18.9   11.5   11.5    5.1    9.0   11.4   28.2   39.7   13.9    9.1   19.4    7.8
 1976    8.1    4.3   21.9   18.8   12.4   12.2    1.9   16.4   13.5   20.6    5.2   15.3
 1977   16.4   23.1    8.7   12.9   18.6   38.5   21.4   30.1   44.0   43.8   29.1   43.2
 1978   51.9   93.6   76.5   99.7   82.7   95.1   70.4   58.1  138.2  125.1   97.9  122.7
 1979  166.6  137.5  138.0  101.5  134.4  149.5  159.4  142.2  188.4  186.2  183.3  176.3
 1980  159.6  155.0  126.2  164.1  179.9  157.3  136.3  135.4  155.0  164.7  147.9  174.4
 1981  114.0  141.3  135.5  156.4  127.5   90.9  143.8  158.7  167.3  162.4  137.5  150.1
 1982  111.2  163.6  153.8  122.0   82.2  110.4  106.1  107.6  118.8   94.7   98.1  127.0
 1983   84.3   51.0   66.5   80.7   99.2   91.1   82.2   71.8   50.3   55.8   33.3   33.4
 1984   57.0   85.4   83.5   69.7   76.4   46.1   37.4   25.5   15.7   12.0   22.8   18.7
 1985   16.5   15.9   17.2   16.2   27.5   24.2   30.7   11.1    3.9   18.6   16.2   17.3
 1986    2.5   23.2   15.1   18.5   13.7    1.1   18.1    7.4    3.8   35.4   15.2    6.8
 1987   10.4    2.4   14.7   39.6   33.0   17.4   33.0   38.7   33.9   60.6   39.9   27.1
 1988   59.0   40.0   76.2   88.0   60.1  101.8  113.8  111.6  120.1  125.1  125.1  179.2
 1989  161.3  165.1  131.4  130.6  138.5  196.2  126.9  168.9  176.7  159.4  173.0  165.5
 1990  177.3  130.5  140.3  140.3  132.2  105.4  149.4  200.3  125.2  145.5  131.4  129.7
 1991  136.9  167.5  141.9  140.0  121.3  169.7  173.7  176.3  125.3  144.1  108.2  144.4
 1992  150.0  161.1  106.7   99.8   73.8   65.2   85.7   64.5   63.9   88.7   91.8   82.6
 1993   59.3   91.0   69.8   62.2   61.3   49.8   57.9   42.2   22.4   56.4   35.6   48.9
 1994   57.8   35.5   31.7   16.1   17.8   28.0   35.1   22.5   25.7   44.0   18.0   26.2
 1995   24.2   29.9   31.1   14.0   14.5   15.6   14.5   14.3   11.8   21.1    9.0   10.0
 1996   11.5    4.4    9.2    4.8    5.5   11.8    8.2   14.4    1.6    0.9   17.9   13.3
 1997    5.7    7.6    8.7   15.5   18.5   12.7   10.4   24.4   51.3   23.8   39.0   41.2
 1998   31.9   40.3   54.8   53.4   56.3   70.7   66.6   92.2   92.9   55.5   74.0   81.9
 1999   62.0   66.3   68.8   63.7  106.4  137.7  113.5   93.7   71.5  116.7  133.2   84.6
 2000   90.1  112.9  138.5  125.5  121.6  124.9  170.1  130.5  109.7   99.4  106.8  104.4
 2001   95.6   80.6  113.5  107.7   96.6  134.0   81.8  106.4  150.7  125.5  106.5  132.2
 2002  114.1  107.4   98.4  120.7  120.8   88.3   99.6  116.4  109.6   97.5   95.5   80.8
 2003   79.7   46.0   61.1   60.0   54.6   77.4   83.3   72.7   48.7   65.5   67.3   46.5
 2004   37.3   45.8   49.1   39.3   41.5   43.2   51.1   40.9   27.7   48.0   43.5   17.9
 2005   31.3   29.2   24.5   24.2   42.7   39.3   40.1   36.4   21.9    8.7   18.0   41.1
 2006   15.3    4.9   10.6   30.2   22.3   13.9   12.2   12.9   14.4   10.5   21.4   13.6
 2007   16.8   10.7    4.5    3.4   11.7   12.1    9.7    6.0    2.4    0.9    1.7   10.1
 2008    3.3    2.1    9.3    2.9    3.2    3.4    0.8    0.5    1.1    2.9    4.1    0.8
 2009    1.3    1.4    0.7    0.8    2.9    2.9    3.2    0.0    4.3    4.8    4.1   10.8
 2010   13.2   18.8   15.4    8.0    8.7   13.6   16.1   19.6   25.2   23.5   21.5   14.4
 2011   18.8   29.6   55.8   54.4   41.6   37.0   43.8   50.6   78.0   88.0   96.7   73.0
 2012   58.3   32.9   64.3   55.2   69.0   64.5   66.5   63.0   61.4   53.3   61.8   40.8
 2013   62.9   38.0   57.9   72.4   78.7 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9
