Year Years
1800 406
1801 406
1802 406
1803 406
1804 406
1805 406
1806 406
1807 406
1808 406
1809 406
1810 406
1811 406
1812 406
1813 406
1814 406
1815 406
1816 406
1817 406
1818 406
1819 406
1820 406
1821 406
1822 406
1823 406
1824 406
1825 406
1826 406
1827 406
1828 406
1829 406
1830 406
1831 406
1832 406
1833 406
1834 406
1835 406
1836 406
1837 406
1838 406
1839 406
1840 406
1841 406
1842 406
1843 406
1844 406
1845 406
1846 406
1847 406
1848 406
1849 406
1850 406
1851 406
1852 406
1853 406
1854 406
1855 406
1856 406
1857 406
1858 406
1859 406
1860 406
1861 406
1862 406
1863 406
1864 406
1865 406
1866 406
1867 406
1868 406
1869 406
1870 406
1871 406
1872 406
1873 406
1874 406
1875 406
1876 406
1877 406
1878 406
1879 406
1880 406
1881 406
1882 406
1883 406
1884 406
1885 406
1886 406
1887 406
1888 406
1889 406
1890 406
1891 406
1892 406
1893 406
1894 405.9
1895 405.9
1896 405.9
1897 405.8
1898 405.6
1899 405.4
1900 405.1
1901 404.7
1902 404.3
1903 403.9
1904 403.3
1905 402.7
1906 402
1907 401.3
1908 400.5
1909 399.7
1910 398.8
1911 397.9
1912 396.9
1913 396
1914 395
1915 394.1
1916 393.1
1917 392.1
1918 391.2
1919 390.2
1920 389.3
1921 388.3
1922 387.4
1923 386.4
1924 385.5
1925 384.5
1926 372.9
1927 362.8
1928 351.6
1929 340.7
1930 330.1
1931 320.7
1932 310.4
1933 300.4
1934 291.5
1935 281.8
1936 272.4
1937 264
1938 254.9
1939 245.9
1940 237.1
1941 229.4
1942 221
1943 212.7
1944 205.4
1945 197.4
1946 189.6
1947 181.9
1948 175.2
1949 167.8
1950 160.5
1951 157.9
1952 152.3
1953 147.4
1954 142.3
1955 137.2
1956 132.6
1957 128.7
1958 124
1959 120.1
1960 116.2
1961 113
1962 109.3
1963 106.2
1964 102.5
1965 98.91
1966 95.34
1967 92.39
1968 89.05
1969 86.41
1970 83.41
1971 81.07
1972 79.37
1982 71.9
1983 56.9
1984 55.5
1985 54.1
1986 52.8
1987 51.5
1988 50.2
1989 48.9
1990 47.7
1991 46.4
1992 45.1
1993 43.8
1994 42.5
1995 41.2
1996 39.8
1997 38.5
1998 37.2
1999 36
2000 34.8
2001 33.6
2002 32.5
2003 31.4
2004 30.4
2005 29.4
2006 28.5
2007 27.6
2008 26.7
2009 25.9
2010 25.1
2011 24.3
2012 23.6
2013 22.8