Year Years
1800 437.1
1801 437.1
1802 437.1
1803 437.1
1804 437.1
1805 437.1
1806 437.1
1807 437.1
1808 437.1
1809 437.1
1810 437.1
1811 437.1
1812 437.1
1813 437.1
1814 437.1
1815 437.1
1816 437.1
1817 437.1
1818 437.1
1819 437.1
1820 437.1
1821 437.1
1822 437.1
1823 437.1
1824 437.1
1825 437.1
1826 437.1
1827 437.1
1828 437.1
1829 437.1
1830 437.1
1831 437.1
1832 437.1
1833 437.1
1834 437.1
1835 437.1
1836 437.1
1837 437.1
1838 437.1
1839 437.1
1840 437.1
1841 437.1
1842 437.1
1843 437.1
1844 437.1
1845 437.1
1846 437.1
1847 437.1
1848 437.1
1849 437.1
1850 437.1
1851 437.1
1852 437.1
1853 437.1
1854 437.1
1855 437.1
1856 437.1
1857 437.1
1858 437.1
1859 437.1
1860 437.1
1861 437.1
1862 437.1
1863 437.1
1864 437.1
1865 437.1
1866 437.1
1867 437.1
1868 437.1
1869 437.1
1870 437.1
1871 437.1
1872 437.1
1873 437.1
1874 437.1
1875 437.1
1876 437.1
1877 437.1
1878 437.1
1879 437.1
1880 437.1
1881 437.1
1882 437.1
1883 437.1
1884 437.1
1885 437.1
1886 437.1
1887 437.1
1888 437.1
1889 437.1
1890 437.1
1891 437.1
1892 437.1
1893 437.1
1894 437.1
1895 437.1
1896 437
1897 436.9
1898 436.7
1899 436.5
1900 436.2
1901 435.8
1902 435.4
1903 434.9
1904 434.3
1905 433.6
1906 432.9
1907 432.1
1908 431.3
1909 430.3
1910 429.4
1911 428.4
1912 427.4
1913 426.4
1914 425.3
1915 424.3
1916 423.3
1917 422.2
1918 421.2
1919 420.2
1920 419.2
1921 418.1
1922 417.1
1923 416.1
1924 415.1
1925 414.1
1926 413
1927 412
1928 411
1929 409.9
1930 408.9
1931 407.9
1932 406.9
1933 405.8
1934 404.8
1935 403.8
1936 402.8
1937 401.7
1938 400.7
1939 399.7
1940 398.7
1941 397.6
1942 396.6
1943 395.6
1944 394.6
1945 393.5
1946 380.7
1947 369.3
1948 357
1949 345.1
1950 334.4
1951 330.4
1952 324.2
1953 317.8
1954 312
1955 304.9
1965 192.1
1966 186.3
1967 180.3
1968 174.8
1969 170.1
1970 166.4
1971 164
1972 162.6
1973 162.5
1974 163.3
1975 164.8
1976 166.4
1977 168
1978 169.7
1979 171.7
1980 174.3
1981 177.5
1982 180.7
1983 183.1
1984 184
1985 183.4
1986 181.1
1987 177.3
1988 172.2
1989 166.5
1990 160.8
1991 155.9
1992 151.4
1993 147.6
1994 143.8
1995 139.6
1996 134.7
1997 129.2
1998 123.2
1999 116.9
2000 110.6
2001 104.4
2002 98.5
2003 92.9
2004 87.6
2005 82.3
2006 77.4
2007 73
2008 69.2
2009 65.8
2010 63
2011 60.6
2012 58.1
2013 56