Year Years
1800 427.9
1801 427.9
1802 427.9
1803 427.9
1804 427.9
1805 427.9
1806 427.9
1807 427.9
1808 427.9
1809 427.9
1810 427.9
1811 427.9
1812 427.9
1813 427.9
1814 427.9
1815 427.9
1816 427.9
1817 427.9
1818 427.9
1819 427.9
1820 427.9
1821 427.9
1822 427.9
1823 427.9
1824 427.9
1825 427.9
1826 427.9
1827 427.9
1828 427.9
1829 427.9
1830 427.9
1831 427.9
1832 427.9
1833 427.9
1834 427.9
1835 427.9
1836 427.9
1837 427.9
1838 427.9
1839 427.9
1840 427.9
1841 427.9
1842 427.9
1843 427.9
1844 427.9
1845 427.9
1846 427.9
1847 427.9
1848 427.9
1849 427.9
1850 427.9
1851 427.9
1852 427.9
1853 427.9
1854 427.9
1855 427.9
1856 427.9
1857 427.9
1858 427.9
1859 427.9
1860 427.9
1861 427.9
1862 427.9
1863 427.9
1864 427.9
1865 427.9
1866 427.9
1867 427.9
1868 427.9
1869 427.9
1870 427.9
1871 427.9
1872 427.9
1873 427.9
1874 427.9
1875 427.9
1876 427.9
1877 427.9
1878 427.9
1879 427.9
1880 427.9
1881 427.9
1882 427.9
1883 427.9
1884 427.9
1885 427.9
1886 427.9
1887 427.9
1888 427.9
1889 427.9
1890 427.9
1891 427.9
1892 427.9
1893 427.9
1894 427.8
1895 427.8
1896 427.7
1897 427.6
1898 427.5
1899 427.2
1900 426.9
1901 426.6
1902 426.1
1903 425.6
1904 425.1
1905 424.4
1906 423.7
1907 422.9
1908 422.1
1909 421.2
1910 420.3
1911 419.3
1912 418.3
1913 417.3
1914 416.3
1915 415.3
1916 414.3
1917 413.3
1918 412.3
1919 411.3
1920 410.3
1921 409.3
1922 408.3
1923 407.3
1924 406.3
1925 405.3
1926 404.3
1927 403.3
1928 402.2
1929 401.2
1930 400.2
1931 399.2
1932 398.2
1933 397.2
1934 396.2
1935 395.2
1936 394.2
1937 393.2
1938 392.2
1939 391.2
1940 390.2
1950 364.6
1951 342.9
1952 322.2
1953 303
1954 284.9
1955 267.6
1956 251.4
1957 236.3
1958 222
1959 208.8
1960 196.6
1961 185.3
1962 174.9
1963 165.3
1964 156.4
1965 148.2
1966 140.6
1967 133.6
1968 127.1
1969 121.2
1970 115.5
1971 110.1
1972 105
1973 100.1
1974 95.4
1975 91
1976 86.8
1977 82.9
1978 79.2
1979 75.9
1980 72.8
1981 69.9
1982 67.3
1983 64.9
1984 62.7
1985 60.7
1986 58.9
1987 57.2
1988 55.8
1989 54.5
1990 53.4
1991 52.4
1992 51.4
1993 50.5
1994 49.7
1995 48.8
1996 48
1997 47.2
1998 46.3
1999 45.4
2000 44.6
2001 43.8
2002 43
2003 42.3
2004 41.6
2005 40.8
2006 40.1
2007 39.3
2008 38.4
2009 37.6
2010 36.7
2011 35.8
2012 35
2013 34