Year Total
1800 6.71
1801 6.71
1802 6.71
1803 6.71
1804 6.71
1805 6.71
1806 6.71
1807 6.71
1808 6.71
1809 6.71
1810 6.71
1811 6.71
1812 6.71
1813 6.71
1814 6.71
1815 6.71
1816 6.71
1817 6.71
1818 6.71
1819 6.71
1820 6.71
1821 6.71
1822 6.71
1823 6.71
1824 6.71
1825 6.71
1826 6.71
1827 6.71
1828 6.71
1829 6.71
1830 6.71
1831 6.71
1832 6.71
1833 6.71
1834 6.71
1835 6.71
1836 6.71
1837 6.71
1838 6.71
1839 6.71
1840 6.71
1841 6.71
1842 6.71
1843 6.71
1844 6.71
1845 6.71
1846 6.71
1847 6.71
1848 6.71
1849 6.71
1850 6.71
1851 6.71
1852 6.71
1853 6.71
1854 6.71
1855 6.71
1856 6.71
1857 6.71
1858 6.71
1859 6.71
1860 6.71
1861 6.71
1862 6.71
1863 6.71
1864 6.71
1865 6.71
1866 6.71
1867 6.71
1868 6.71
1869 6.71
1870 6.71
1871 6.71
1872 6.71
1873 6.71
1874 6.71
1875 6.71
1876 6.71
1877 6.71
1878 6.71
1879 6.71
1880 6.71
1881 6.71
1882 6.71
1883 6.71
1884 6.71
1885 6.71
1886 6.71
1887 6.71
1888 6.71
1889 6.71
1890 6.71
1891 6.71
1892 6.71
1893 6.71
1894 6.71
1895 6.71
1896 6.71
1897 6.71
1898 6.71
1899 6.71
1900 6.71
1901 6.71
1902 6.71
1903 6.71
1904 6.71
1905 6.71
1906 6.71
1907 6.71
1908 6.71
1909 6.71
1910 6.71
1911 6.71
1912 6.71
1913 6.71
1914 6.71
1915 6.71
1916 6.71
1917 6.71
1918 6.71
1919 6.71
1920 6.71
1921 6.71
1922 6.71
1923 6.71
1924 6.71
1925 6.71
1926 6.71
1927 6.71
1928 6.71
1929 6.71
1930 6.71
1931 6.71
1932 6.71
1933 6.71
1934 6.71
1935 6.71
1936 6.71
1937 6.71
1938 6.711
1939 6.711
1940 6.711
1941 6.711
1942 6.711
1943 6.711
1944 6.711
1945 6.711
1946 6.711
1947 6.711
1948 6.711
1949 6.711
1950 6.711
1951 6.707
1952 6.701
1953 6.697
1954 6.694
1955 6.693
1956 6.693
1957 6.696
1958 6.701
1959 6.708
1960 6.717
1961 6.73
1962 6.745
1963 6.763
1964 6.782
1965 6.802
1966 6.822
1967 6.841
1968 6.857
1969 6.869
1970 6.875
1971 6.876
1972 6.87
1973 6.858
1974 6.84
1975 6.817
1976 6.79
1977 6.761
1978 6.729
1979 6.695
1980 6.658
1981 6.618
1982 6.573
1983 6.52
1984 6.459
1985 6.384
1986 6.291
1987 6.18
1988 6.051
1989 5.905
1990 5.744
1991 5.571
1992 5.392
1993 5.211
1994 5.035
1995 4.866
1996 4.709
1997 4.564
1998 4.432
1999 4.313
2000 4.209
2001 4.121
2002 4.046
2003 3.982
2004 3.925
2005 3.871
2006 3.818
2007 3.761
2008 3.699
2009 3.632
2010 3.559
2011 3.483
2012 3.407
2013 3.334
2014 3.265
2015 3.2
2016 3.141
2017 3.084
2018 3.031
2019 2.98
2020 2.931
2021 2.885
2022 2.841
2023 2.799
2024 2.758
2030 2.545
2040 2.271
2050 2.077
2070 1.877
2080 1.84
2099 1.829