Year Total
1800 6.86
1801 6.86
1802 6.86
1803 6.86
1804 6.86
1805 6.86
1806 6.86
1807 6.86
1808 6.86
1809 6.86
1810 6.86
1811 6.86
1812 6.86
1813 6.86
1814 6.86
1815 6.86
1816 6.86
1817 6.86
1818 6.86
1819 6.86
1820 6.86
1821 6.86
1822 6.86
1823 6.86
1824 6.86
1825 6.86
1826 6.86
1827 6.86
1828 6.86
1829 6.86
1830 6.86
1831 6.86
1832 6.86
1833 6.86
1834 6.86
1835 6.86
1836 6.86
1837 6.86
1838 6.86
1839 6.86
1840 6.86
1841 6.86
1842 6.86
1843 6.86
1844 6.86
1845 6.86
1846 6.86
1847 6.86
1848 6.86
1849 6.86
1850 6.86
1851 6.86
1852 6.86
1853 6.86
1854 6.86
1855 6.86
1856 6.86
1857 6.86
1858 6.86
1859 6.86
1860 6.86
1861 6.86
1862 6.86
1863 6.86
1864 6.86
1865 6.86
1866 6.86
1867 6.86
1868 6.86
1869 6.86
1870 6.86
1871 6.86
1872 6.86
1873 6.86
1874 6.86
1875 6.86
1876 6.86
1877 6.86
1878 6.86
1879 6.86
1880 6.86
1881 6.86
1882 6.86
1883 6.86
1884 6.86
1885 6.86
1886 6.86
1887 6.86
1888 6.86
1889 6.86
1890 6.86
1891 6.86
1892 6.86
1893 6.86
1894 6.86
1895 6.86
1896 6.86
1897 6.86
1898 6.86
1899 6.86
1900 6.86
1901 6.86
1902 6.86
1903 6.86
1904 6.86
1905 6.86
1906 6.86
1907 6.86
1908 6.86
1909 6.86
1910 6.86
1911 6.86
1912 6.86
1913 6.86
1914 6.86
1915 6.86
1916 6.86
1917 6.86
1918 6.86
1919 6.86
1920 6.86
1921 6.86
1922 6.86
1923 6.86
1924 6.86
1925 6.86
1926 6.874
1927 6.887
1928 6.901
1929 6.914
1930 6.928
1931 6.942
1932 6.955
1933 6.969
1934 6.982
1935 6.996
1936 7.01
1937 7.023
1938 7.037
1939 7.05
1940 7.064
1941 7.078
1942 7.091
1943 7.105
1944 7.118
1945 7.132
1946 7.146
1947 7.159
1948 7.173
1949 7.186
1950 7.2
1951 7.191
1952 7.176
1953 7.166
1954 7.161
1955 7.161
1956 7.165
1957 7.174
1958 7.186
1959 7.2
1960 7.216
1961 7.23
1962 7.243
1963 7.252
1964 7.257
1965 7.26
1966 7.262
1967 7.264
1968 7.267
1969 7.273
1970 7.28
1971 7.289
1972 7.299
1973 7.307
1974 7.312
1975 7.313
1976 7.309
1977 7.299
1978 7.281
1979 7.252
1980 7.206
1981 7.14
1982 7.05
1983 6.939
1984 6.806
1985 6.656
1986 6.496
1987 6.331
1988 6.166
1989 6.004
1990 5.844
1991 5.685
1992 5.522
1993 5.352
1994 5.174
1995 4.989
1996 4.795
1997 4.594
1998 4.39
1999 4.187
2000 3.99
2001 3.804
2002 3.634
2003 3.482
2004 3.349
2005 3.234
2006 3.136
2007 3.05
2008 2.971
2009 2.898
2010 2.829
2011 2.763
2012 2.702
2013 2.644
2014 2.591
2015 2.54
2016 2.493
2017 2.448
2018 2.406
2019 2.366
2020 2.329
2021 2.293
2022 2.258
2023 2.226
2024 2.194
2030 2.033
2040 1.852
2050 1.759
2070 1.744
2080 1.767
2099 1.811