Year Total
1800 6.47
1801 6.47
1802 6.47
1803 6.47
1804 6.47
1805 6.47
1806 6.47
1807 6.47
1808 6.47
1809 6.47
1810 6.47
1811 6.47
1812 6.47
1813 6.47
1814 6.47
1815 6.47
1816 6.47
1817 6.47
1818 6.47
1819 6.47
1820 6.47
1821 6.47
1822 6.47
1823 6.47
1824 6.47
1825 6.47
1826 6.47
1827 6.47
1828 6.47
1829 6.47
1830 6.47
1831 6.47
1832 6.47
1833 6.47
1834 6.47
1835 6.47
1836 6.47
1837 6.47
1838 6.47
1839 6.47
1840 6.47
1841 6.47
1842 6.47
1843 6.47
1844 6.47
1845 6.47
1846 6.47
1847 6.47
1848 6.47
1849 6.47
1850 6.47
1851 6.47
1852 6.47
1853 6.47
1854 6.47
1855 6.47
1856 6.47
1857 6.47
1858 6.47
1859 6.47
1860 6.47
1861 6.47
1862 6.47
1863 6.47
1864 6.47
1865 6.47
1866 6.47
1867 6.47
1868 6.47
1869 6.47
1870 6.47
1871 6.47
1872 6.47
1873 6.47
1874 6.47
1875 6.47
1876 6.47
1877 6.47
1878 6.47
1879 6.47
1880 6.47
1881 6.47
1882 6.47
1883 6.47
1884 6.47
1885 6.47
1886 6.47
1887 6.47
1888 6.47
1889 6.47
1890 6.47
1891 6.47
1892 6.47
1893 6.47
1894 6.47
1895 6.47
1896 6.47
1897 6.47
1898 6.47
1899 6.47
1900 6.47
1901 6.47
1902 6.47
1903 6.47
1904 6.47
1905 6.47
1906 6.47
1907 6.47
1908 6.47
1909 6.47
1910 6.47
1911 6.47
1912 6.47
1913 6.47
1914 6.47
1915 6.47
1916 6.47
1917 6.47
1918 6.47
1919 6.47
1920 6.47
1921 6.47
1922 6.47
1923 6.47
1924 6.47
1925 6.47
1926 6.465
1927 6.461
1928 6.456
1929 6.451
1930 6.447
1931 6.442
1932 6.437
1933 6.433
1934 6.428
1935 6.423
1936 6.419
1937 6.414
1938 6.409
1939 6.404
1940 6.4
1941 6.395
1942 6.39
1943 6.386
1944 6.381
1945 6.376
1946 6.372
1947 6.367
1948 6.362
1949 6.358
1950 6.353
1951 6.338
1952 6.31
1953 6.285
1954 6.264
1955 6.247
1956 6.232
1957 6.22
1958 6.208
1959 6.193
1960 6.173
1961 6.144
1962 6.103
1963 6.049
1964 5.984
1965 5.911
1966 5.836
1967 5.765
1968 5.7
1969 5.643
1970 5.591
1971 5.539
1972 5.482
1973 5.415
1974 5.338
1975 5.251
1976 5.159
1977 5.064
1978 4.969
1979 4.877
1980 4.786
1981 4.695
1982 4.602
1983 4.504
1984 4.402
1985 4.293
1986 4.177
1987 4.052
1988 3.923
1989 3.791
1990 3.658
1991 3.53
1992 3.408
1993 3.296
1994 3.196
1995 3.11
1996 3.04
1997 2.983
1998 2.937
1999 2.899
2000 2.866
2001 2.834
2002 2.801
2003 2.763
2004 2.721
2005 2.675
2006 2.627
2007 2.58
2008 2.538
2009 2.5
2010 2.467
2011 2.438
2012 2.412
2013 2.387
2014 2.362
2015 2.338
2016 2.314
2017 2.29
2018 2.268
2019 2.246
2020 2.225
2021 2.204
2022 2.185
2023 2.166
2024 2.147
2030 2.047
2040 1.928
2050 1.859
2070 1.815
2080 1.816
2099 1.835