Year Total
1800 6.34
1801 6.34
1802 6.34
1803 6.34
1804 6.34
1805 6.34
1806 6.34
1807 6.34
1808 6.34
1809 6.34
1810 6.34
1811 6.34
1812 6.34
1813 6.34
1814 6.34
1815 6.34
1816 6.34
1817 6.34
1818 6.34
1819 6.34
1820 6.34
1821 6.34
1822 6.34
1823 6.34
1824 6.34
1825 6.34
1826 6.34
1827 6.34
1828 6.34
1829 6.34
1830 6.34
1831 6.34
1832 6.34
1833 6.34
1834 6.34
1835 6.34
1836 6.34
1837 6.34
1838 6.34
1839 6.34
1840 6.34
1841 6.34
1842 6.34
1843 6.34
1844 6.34
1845 6.34
1846 6.34
1847 6.34
1848 6.34
1849 6.34
1850 6.34
1851 6.34
1852 6.34
1853 6.34
1854 6.34
1855 6.34
1856 6.34
1857 6.34
1858 6.34
1859 6.34
1860 6.34
1861 6.34
1862 6.34
1863 6.34
1864 6.34
1865 6.34
1866 6.34
1867 6.34
1868 6.34
1869 6.34
1870 6.34
1871 6.34
1872 6.34
1873 6.34
1874 6.34
1875 6.34
1876 6.34
1877 6.34
1878 6.34
1879 6.34
1880 6.34
1881 6.34
1882 6.34
1883 6.34
1884 6.34
1885 6.34
1886 6.34
1887 6.34
1888 6.34
1889 6.34
1890 6.34
1891 6.34
1892 6.34
1893 6.34
1894 6.34
1895 6.34
1896 6.34
1897 6.34
1898 6.34
1899 6.34
1900 6.34
1901 6.34
1902 6.34
1903 6.34
1904 6.34
1905 6.34
1906 6.34
1907 6.34
1908 6.34
1909 6.34
1910 6.34
1911 6.34
1912 6.34
1913 6.34
1914 6.34
1915 6.34
1916 6.34
1917 6.34
1918 6.34
1919 6.34
1920 6.34
1921 6.34
1922 6.34
1923 6.34
1924 6.34
1925 6.34
1926 6.331
1927 6.322
1928 6.313
1929 6.304
1930 6.295
1931 6.286
1932 6.278
1933 6.269
1934 6.26
1935 6.251
1936 6.242
1937 6.233
1938 6.224
1939 6.215
1940 6.206
1941 6.197
1942 6.188
1943 6.179
1944 6.171
1945 6.162
1946 6.153
1947 6.144
1948 6.135
1949 6.126
1950 6.117
1951 6.179
1952 6.296
1953 6.4
1954 6.49
1955 6.568
1956 6.632
1957 6.685
1958 6.725
1959 6.755
1960 6.775
1961 6.787
1962 6.794
1963 6.798
1964 6.799
1965 6.799
1966 6.798
1967 6.798
1968 6.795
1969 6.791
1970 6.784
1971 6.774
1972 6.759
1973 6.739
1974 6.713
1975 6.681
1976 6.641
1977 6.594
1978 6.541
1979 6.484
1980 6.426
1981 6.368
1982 6.314
1983 6.264
1984 6.219
1985 6.178
1986 6.141
1987 6.104
1988 6.065
1989 6.023
1990 5.978
1991 5.928
1992 5.875
1993 5.818
1994 5.758
1995 5.696
1996 5.633
1997 5.569
1998 5.505
1999 5.442
2000 5.381
2001 5.321
2002 5.263
2003 5.205
2004 5.15
2005 5.095
2006 5.042
2007 4.99
2008 4.939
2009 4.888
2010 4.837
2011 4.783
2012 4.728
2013 4.67
2014 4.61
2015 4.549
2016 4.486
2017 4.423
2018 4.361
2019 4.3
2020 4.241
2021 4.183
2022 4.127
2023 4.073
2024 4.019
2030 3.719
2040 3.301
2050 2.978
2070 2.526
2080 2.357
2099 2.115