Year Total
1800 6.96
1801 6.96
1802 6.96
1803 6.96
1804 6.96
1805 6.96
1806 6.96
1807 6.96
1808 6.96
1809 6.96
1810 6.96
1811 6.96
1812 6.96
1813 6.96
1814 6.96
1815 6.96
1816 6.96
1817 6.96
1818 6.96
1819 6.96
1820 6.96
1821 6.96
1822 6.96
1823 6.96
1824 6.96
1825 6.96
1826 6.96
1827 6.96
1828 6.96
1829 6.96
1830 6.96
1831 6.96
1832 6.96
1833 6.96
1834 6.96
1835 6.96
1836 6.96
1837 6.96
1838 6.96
1839 6.96
1840 6.96
1841 6.96
1842 6.96
1843 6.96
1844 6.96
1845 6.96
1846 6.96
1847 6.96
1848 6.96
1849 6.96
1850 6.96
1851 6.96
1852 6.96
1853 6.96
1854 6.96
1855 6.96
1856 6.96
1857 6.96
1858 6.96
1859 6.96
1860 6.96
1861 6.96
1862 6.96
1863 6.96
1864 6.96
1865 6.96
1866 6.96
1867 6.96
1868 6.96
1869 6.96
1870 6.96
1871 6.96
1872 6.96
1873 6.96
1874 6.96
1875 6.96
1876 6.96
1877 6.96
1878 6.96
1879 6.96
1880 6.96
1881 6.96
1882 6.96
1883 6.96
1884 6.96
1885 6.96
1886 6.96
1887 6.96
1888 6.96
1889 6.96
1890 6.96
1891 6.96
1892 6.96
1893 6.96
1894 6.96
1895 6.96
1896 6.96
1897 6.96
1898 6.96
1899 6.96
1900 6.96
1901 6.96
1902 6.96
1903 6.96
1904 6.96
1905 6.96
1906 6.96
1907 6.96
1908 6.96
1909 6.96
1910 6.96
1911 6.96
1912 6.96
1913 6.96
1914 6.96
1915 6.96
1916 6.96
1917 6.96
1918 6.96
1919 6.96
1920 6.96
1921 6.96
1922 6.96
1923 6.96
1924 6.96
1925 6.96
1926 6.959
1927 6.957
1928 6.956
1929 6.954
1930 6.953
1931 6.951
1932 6.95
1933 6.948
1934 6.947
1935 6.946
1936 6.944
1937 6.943
1938 6.941
1939 6.94
1940 6.938
1941 6.937
1942 6.936
1943 6.934
1944 6.933
1945 6.931
1946 6.93
1947 6.928
1948 6.927
1949 6.925
1950 6.924
1951 6.938
1952 6.962
1953 6.979
1954 6.988
1955 6.99
1956 6.984
1957 6.971
1958 6.952
1959 6.928
1960 6.899
1961 6.868
1962 6.837
1963 6.806
1964 6.778
1965 6.752
1966 6.728
1967 6.706
1968 6.686
1969 6.667
1970 6.65
1971 6.637
1972 6.626
1973 6.619
1974 6.615
1975 6.614
1976 6.616
1977 6.619
1978 6.623
1979 6.627
1980 6.628
1981 6.625
1982 6.618
1983 6.607
1984 6.591
1985 6.572
1986 6.553
1987 6.535
1988 6.519
1989 6.504
1990 6.488
1991 6.467
1992 6.438
1993 6.4
1994 6.351
1995 6.293
1996 6.228
1997 6.159
1998 6.088
1999 6.015
2000 5.94
2001 5.86
2002 5.774
2003 5.681
2004 5.582
2005 5.478
2006 5.372
2007 5.266
2008 5.163
2009 5.063
2010 4.968
2011 4.875
2012 4.785
2013 4.696
2014 4.607
2015 4.519
2016 4.431
2017 4.344
2018 4.258
2019 4.173
2020 4.09
2021 4.008
2022 3.928
2023 3.849
2024 3.772
2030 3.359
2040 2.848
2050 2.511
2070 2.107
2080 1.999
2099 1.9