Year Years
1800 361
1801 361
1802 361
1803 361
1804 361
1805 361
1806 361
1807 361
1808 361
1809 361
1810 361
1811 361
1812 361
1813 361
1814 361
1815 361
1816 361
1817 361
1818 361
1819 361
1820 361
1821 361
1822 361
1823 361
1824 361
1825 361
1826 361
1827 361
1828 361
1829 361
1830 361
1831 361
1832 361
1833 361
1834 361
1835 361
1836 361
1837 361
1838 361
1839 361
1840 361
1841 361
1842 361
1843 361
1844 361
1845 361
1846 361
1847 361
1848 361
1849 361
1850 361
1851 361
1852 361
1853 361
1854 361
1855 361
1856 361
1857 361
1858 361
1859 361
1860 361
1861 361
1862 361
1863 361
1864 361
1865 361
1866 361
1867 361
1868 361
1869 361
1870 361
1871 361
1872 361
1873 361
1874 361
1875 361
1876 361
1877 361
1878 361
1879 361
1880 361
1881 361
1882 361
1883 361
1884 361
1885 361
1886 361
1887 361
1888 361
1889 361
1890 361
1891 361
1892 361
1893 361
1894 361
1895 360.9
1896 360.9
1897 360.8
1898 360.6
1899 360.4
1900 360.2
1901 359.9
1902 359.5
1903 359.1
1904 358.6
1905 358.1
1906 357.5
1907 356.8
1908 356.1
1909 355.4
1910 354.6
1911 353.8
1912 352.9
1913 352.1
1914 351.2
1915 350.4
1916 349.5
1917 348.7
1918 347.8
1919 347
1920 346.1
1921 326.6
1922 306.6
1923 288.4
1924 270.8
1925 253.8
1926 236.5
1927 234.1
1928 231.7
1929 228.4
1930 226.1
1931 223.7
1932 220.5
1933 218.2
1934 215.9
1935 212.8
1936 210.5
1937 208.3
1938 205.2
1939 203
1940 204.2
1941 473.1
1942 554.2
1943 576.9
1944 416.6
1945 338.9
1946 158.5
1947 240.9
1948 138.7
1949 119.1
1950 95.17
1951 92.49
1952 86.9
1953 81.92
1954 77.53
1955 73.18
1956 68.88
1957 65.13
1958 61.92
1959 62.23
1960 53.56
1961 52.07
1971 34.6
1972 33.3
1973 32.2
1974 31.3
1975 30.4
1976 29.8
1977 29.2
1978 28.7
1979 28.1
1980 27.5
1981 26.7
1982 25.8
1983 24.8
1984 23.8
1985 22.8
1986 21.8
1987 21
1988 20.4
1989 19.9
1990 19.6
1991 19.5
1992 19.6
1993 19.9
1994 20.3
1995 20.5
1996 20.6
1997 20.4
1998 19.9
1999 19.3
2000 18.4
2001 17.6
2002 16.7
2003 15.8
2004 15.1
2005 14.5
2006 14
2007 13.4
2008 12.9
2009 12.3
2010 11.8
2011 11.2
2012 10.6
2013 10