Year Total
1800 6.93
1801 6.93
1802 6.93
1803 6.93
1804 6.93
1805 6.93
1806 6.93
1807 6.93
1808 6.93
1809 6.93
1810 6.93
1811 6.93
1812 6.93
1813 6.93
1814 6.93
1815 6.93
1816 6.93
1817 6.93
1818 6.93
1819 6.93
1820 6.93
1821 6.93
1822 6.93
1823 6.93
1824 6.93
1825 6.93
1826 6.93
1827 6.93
1828 6.93
1829 6.93
1830 6.93
1831 6.93
1832 6.93
1833 6.93
1834 6.93
1835 6.93
1836 6.93
1837 6.93
1838 6.93
1839 6.93
1840 6.93
1841 6.93
1842 6.93
1843 6.93
1844 6.93
1845 6.93
1846 6.93
1847 6.93
1848 6.93
1849 6.93
1850 6.93
1851 6.93
1852 6.93
1853 6.93
1854 6.93
1855 6.93
1856 6.93
1857 6.93
1858 6.93
1859 6.93
1860 6.93
1861 6.93
1862 6.93
1863 6.93
1864 6.93
1865 6.93
1866 6.93
1867 6.93
1868 6.93
1869 6.93
1870 6.93
1871 6.93
1872 6.93
1873 6.93
1874 6.93
1875 6.93
1876 6.93
1877 6.93
1878 6.93
1879 6.93
1880 6.93
1881 6.928
1882 6.925
1883 6.923
1884 6.92
1885 6.918
1886 6.915
1887 6.912
1888 6.91
1889 6.907
1890 6.905
1891 6.902
1892 6.9
1893 6.921
1894 6.942
1895 6.963
1896 6.984
1897 7.005
1898 7.011
1899 7.017
1900 7.023
1901 7.029
1902 7.035
1903 7.074
1904 7.113
1905 7.152
1906 7.191
1907 7.23
1908 7.251
1909 7.272
1910 7.293
1911 7.314
1912 7.335
1913 7.209
1914 7.083
1915 6.957
1916 6.831
1917 6.705
1918 6.711
1919 6.717
1920 6.723
1921 6.729
1922 6.735
1923 6.774
1924 6.813
1925 6.852
1926 6.891
1927 6.93
1928 6.882
1929 6.834
1930 6.786
1931 6.738
1932 6.69
1933 6.651
1934 6.612
1935 6.573
1936 6.534
1937 6.495
1938 6.595
1939 6.695
1940 6.795
1941 6.84
1942 6.885
1943 6.93
1944 6.975
1945 7.02
1946 6.926
1947 6.832
1948 6.738
1949 6.644
1950 6.55
1951 6.592
1952 6.677
1953 6.766
1954 6.858
1955 6.952
1956 7.047
1957 7.138
1958 7.22
1959 7.282
1960 7.311
1961 7.295
1962 7.221
1963 7.085
1964 6.886
1965 6.631
1966 6.328
1967 5.997
1968 5.657
1969 5.324
1970 5.012
1971 4.733
1972 4.488
1973 4.278
1974 4.105
1975 3.968
1976 3.864
1977 3.784
1978 3.719
1979 3.665
1980 3.618
1981 3.577
1982 3.544
1983 3.517
1984 3.491
1985 3.463
1986 3.427
1987 3.38
1988 3.323
1989 3.254
1990 3.175
1991 3.09
1992 3.002
1993 2.917
1994 2.835
1995 2.758
1996 2.686
1997 2.616
1998 2.548
1999 2.481
2000 2.414
2001 2.345
2002 2.275
2003 2.204
2004 2.134
2005 2.067
2006 2.006
2007 1.953
2008 1.909
2009 1.874
2010 1.847
2011 1.827
2012 1.81
2013 1.795
2014 1.78
2015 1.765
2016 1.75
2017 1.736
2018 1.723
2019 1.712
2020 1.703
2021 1.695
2022 1.689
2023 1.684
2024 1.68
2030 1.671
2040 1.69
2050 1.723
2070 1.784
2080 1.809
2099 1.844