Year Total
1800 6.43
1801 6.43
1802 6.43
1803 6.43
1804 6.43
1805 6.43
1806 6.43
1807 6.43
1808 6.43
1809 6.43
1810 6.43
1811 6.43
1812 6.43
1813 6.43
1814 6.43
1815 6.43
1816 6.43
1817 6.43
1818 6.43
1819 6.43
1820 6.43
1821 6.43
1822 6.43
1823 6.43
1824 6.43
1825 6.43
1826 6.43
1827 6.43
1828 6.43
1829 6.43
1830 6.43
1831 6.43
1832 6.43
1833 6.43
1834 6.43
1835 6.43
1836 6.43
1837 6.43
1838 6.43
1839 6.43
1840 6.43
1841 6.43
1842 6.43
1843 6.43
1844 6.43
1845 6.43
1846 6.43
1847 6.43
1848 6.43
1849 6.43
1850 6.43
1851 6.43
1852 6.43
1853 6.43
1854 6.43
1855 6.43
1856 6.43
1857 6.43
1858 6.43
1859 6.43
1860 6.43
1861 6.43
1862 6.43
1863 6.43
1864 6.43
1865 6.43
1866 6.43
1867 6.43
1868 6.43
1869 6.43
1870 6.43
1871 6.43
1872 6.43
1873 6.43
1874 6.43
1875 6.43
1876 6.43
1877 6.43
1878 6.43
1879 6.43
1880 6.43
1881 6.43
1882 6.43
1883 6.43
1884 6.43
1885 6.43
1886 6.43
1887 6.43
1888 6.43
1889 6.43
1890 6.43
1891 6.43
1892 6.43
1893 6.43
1894 6.43
1895 6.43
1896 6.43
1897 6.43
1898 6.43
1899 6.43
1900 6.43
1901 6.43
1902 6.43
1903 6.43
1904 6.43
1905 6.43
1906 6.43
1907 6.43
1908 6.43
1909 6.43
1910 6.43
1911 6.43
1912 6.43
1913 6.43
1914 6.43
1915 6.43
1916 6.43
1917 6.43
1918 6.43
1919 6.43
1920 6.43
1921 6.43
1922 6.43
1923 6.43
1924 6.43
1925 6.43
1926 6.427
1927 6.425
1928 6.422
1929 6.42
1930 6.417
1931 6.415
1932 6.412
1933 6.41
1934 6.407
1935 6.405
1936 6.402
1937 6.4
1938 6.397
1939 6.395
1940 6.392
1941 6.39
1942 6.387
1943 6.385
1944 6.382
1945 6.38
1946 6.377
1947 6.375
1948 6.372
1949 6.37
1950 6.367
1951 6.385
1952 6.422
1953 6.46
1954 6.499
1955 6.539
1956 6.58
1957 6.622
1958 6.665
1959 6.707
1960 6.749
1961 6.789
1962 6.827
1963 6.862
1964 6.893
1965 6.918
1966 6.937
1967 6.95
1968 6.957
1969 6.957
1970 6.95
1971 6.936
1972 6.915
1973 6.888
1974 6.855
1975 6.815
1976 6.771
1977 6.721
1978 6.665
1979 6.605
1980 6.539
1981 6.468
1982 6.392
1983 6.31
1984 6.223
1985 6.131
1986 6.035
1987 5.935
1988 5.831
1989 5.725
1990 5.616
1991 5.505
1992 5.392
1993 5.278
1994 5.165
1995 5.058
1996 4.959
1997 4.87
1998 4.793
1999 4.727
2000 4.669
2001 4.617
2002 4.566
2003 4.512
2004 4.455
2005 4.392
2006 4.326
2007 4.257
2008 4.188
2009 4.119
2010 4.052
2011 3.985
2012 3.92
2013 3.857
2014 3.795
2015 3.735
2016 3.678
2017 3.622
2018 3.568
2019 3.515
2020 3.465
2021 3.415
2022 3.368
2023 3.322
2024 3.277
2030 3.036
2040 2.723
2050 2.484
2070 2.132
2080 2.025
2099 1.917