Year Total
1800 6.78
1801 6.78
1802 6.78
1803 6.78
1804 6.78
1805 6.78
1806 6.78
1807 6.78
1808 6.78
1809 6.78
1810 6.78
1811 6.78
1812 6.78
1813 6.78
1814 6.78
1815 6.78
1816 6.78
1817 6.78
1818 6.78
1819 6.78
1820 6.78
1821 6.78
1822 6.78
1823 6.78
1824 6.78
1825 6.78
1826 6.78
1827 6.78
1828 6.78
1829 6.78
1830 6.78
1831 6.78
1832 6.78
1833 6.78
1834 6.78
1835 6.78
1836 6.78
1837 6.78
1838 6.78
1839 6.78
1840 6.78
1841 6.78
1842 6.78
1843 6.78
1844 6.78
1845 6.78
1846 6.78
1847 6.78
1848 6.78
1849 6.78
1850 6.78
1851 6.78
1852 6.78
1853 6.78
1854 6.78
1855 6.78
1856 6.78
1857 6.78
1858 6.78
1859 6.78
1860 6.78
1861 6.78
1862 6.78
1863 6.78
1864 6.78
1865 6.78
1866 6.78
1867 6.78
1868 6.78
1869 6.78
1870 6.78
1871 6.78
1872 6.78
1873 6.78
1874 6.78
1875 6.78
1876 6.78
1877 6.78
1878 6.78
1879 6.78
1880 6.78
1881 6.78
1882 6.78
1883 6.78
1884 6.78
1885 6.78
1886 6.78
1887 6.78
1888 6.78
1889 6.78
1890 6.78
1891 6.78
1892 6.78
1893 6.78
1894 6.78
1895 6.78
1896 6.78
1897 6.78
1898 6.78
1899 6.78
1900 6.78
1901 6.78
1902 6.78
1903 6.78
1904 6.78
1905 6.78
1906 6.78
1907 6.78
1908 6.78
1909 6.78
1910 6.78
1911 6.78
1912 6.78
1913 6.78
1914 6.78
1915 6.78
1916 6.78
1917 6.78
1918 6.78
1919 6.78
1920 6.78
1921 6.78
1922 6.78
1923 6.78
1924 6.78
1925 6.78
1926 6.774
1927 6.767
1928 6.761
1929 6.755
1930 6.748
1931 6.742
1932 6.736
1933 6.729
1934 6.723
1935 6.717
1936 6.71
1937 6.704
1938 6.698
1939 6.692
1940 6.685
1941 6.679
1942 6.673
1943 6.666
1944 6.66
1945 6.654
1946 6.647
1947 6.641
1948 6.635
1949 6.628
1950 6.622
1951 6.66
1952 6.736
1953 6.812
1954 6.888
1955 6.965
1956 7.042
1957 7.119
1958 7.197
1959 7.274
1960 7.351
1961 7.427
1962 7.501
1963 7.572
1964 7.639
1965 7.701
1966 7.757
1967 7.806
1968 7.849
1969 7.883
1970 7.908
1971 7.927
1972 7.937
1973 7.94
1974 7.934
1975 7.916
1976 7.884
1977 7.837
1978 7.774
1979 7.695
1980 7.602
1981 7.497
1982 7.383
1983 7.263
1984 7.139
1985 7.013
1986 6.884
1987 6.752
1988 6.619
1989 6.486
1990 6.356
1991 6.232
1992 6.114
1993 6.005
1994 5.904
1995 5.81
1996 5.72
1997 5.633
1998 5.547
1999 5.46
2000 5.375
2001 5.289
2002 5.207
2003 5.13
2004 5.06
2005 5
2006 4.956
2007 4.928
2008 4.913
2009 4.909
2010 4.91
2011 4.907
2012 4.894
2013 4.866
2014 4.822
2015 4.763
2016 4.692
2017 4.616
2018 4.54
2019 4.468
2020 4.401
2021 4.338
2022 4.278
2023 4.22
2024 4.163
2030 3.85
2040 3.424
2050 3.088
2070 2.587
2080 2.389
2099 2.103