Year Total
1800 6.39
1801 6.39
1802 6.39
1803 6.39
1804 6.39
1805 6.39
1806 6.39
1807 6.39
1808 6.39
1809 6.39
1810 6.39
1811 6.39
1812 6.391
1813 6.391
1814 6.391
1815 6.391
1816 6.391
1817 6.391
1818 6.391
1819 6.391
1820 6.391
1821 6.391
1822 6.391
1823 6.391
1824 6.391
1825 6.391
1826 6.391
1827 6.391
1828 6.391
1829 6.391
1830 6.391
1831 6.391
1832 6.391
1833 6.391
1834 6.391
1835 6.392
1836 6.392
1837 6.392
1838 6.392
1839 6.392
1840 6.392
1841 6.392
1842 6.392
1843 6.392
1844 6.392
1845 6.392
1846 6.392
1847 6.392
1848 6.392
1849 6.392
1850 6.392
1851 6.392
1852 6.392
1853 6.392
1854 6.392
1855 6.392
1856 6.392
1857 6.392
1858 6.392
1859 6.393
1860 6.393
1861 6.393
1862 6.393
1863 6.393
1864 6.393
1865 6.393
1866 6.393
1867 6.393
1868 6.393
1869 6.393
1870 6.393
1871 6.393
1872 6.393
1873 6.393
1874 6.393
1875 6.393
1876 6.393
1877 6.393
1878 6.393
1879 6.393
1880 6.393
1881 6.393
1882 6.394
1883 6.394
1884 6.394
1885 6.394
1886 6.394
1887 6.394
1888 6.394
1889 6.394
1890 6.394
1891 6.394
1892 6.394
1893 6.394
1894 6.394
1895 6.394
1896 6.394
1897 6.394
1898 6.366
1899 6.338
1900 6.309
1901 6.281
1902 6.253
1903 6.224
1904 6.196
1905 6.168
1906 6.139
1907 6.111
1908 6.083
1909 6.054
1910 6.026
1911 5.998
1912 5.969
1913 5.941
1914 5.913
1915 5.885
1916 5.856
1917 5.828
1918 5.8
1919 5.771
1920 5.743
1921 5.715
1922 5.686
1923 5.658
1924 5.63
1925 5.601
1926 5.573
1927 5.417
1928 5.26
1929 5.104
1930 4.948
1931 4.791
1932 4.635
1933 4.478
1934 4.322
1935 4.166
1936 4.009
1937 3.853
1938 3.696
1939 3.54
1940 3.384
1941 3.393
1942 3.402
1943 3.411
1944 3.42
1945 3.429
1946 3.438
1947 3.448
1948 3.457
1949 3.466
1950 3.475
1951 3.485
1952 3.502
1953 3.51
1954 3.511
1955 3.504
1956 3.488
1957 3.463
1958 3.429
1959 3.384
1960 3.328
1961 3.259
1962 3.178
1963 3.086
1964 2.989
1965 2.891
1966 2.801
1967 2.722
1968 2.66
1969 2.613
1970 2.582
1971 2.56
1972 2.542
1973 2.523
1974 2.503
1975 2.483
1976 2.465
1977 2.455
1978 2.454
1979 2.462
1980 2.481
1981 2.51
1982 2.546
1983 2.585
1984 2.62
1985 2.643
1986 2.646
1987 2.625
1988 2.578
1989 2.506
1990 2.413
1991 2.305
1992 2.191
1993 2.079
1994 1.975
1995 1.882
1996 1.801
1997 1.73
1998 1.667
1999 1.613
2000 1.568
2001 1.535
2002 1.511
2003 1.497
2004 1.489
2005 1.487
2006 1.487
2007 1.488
2008 1.487
2009 1.483
2010 1.477
2011 1.469
2012 1.462
2013 1.456
2014 1.452
2015 1.451
2016 1.452
2017 1.455
2018 1.46
2019 1.467
2020 1.474
2021 1.482
2022 1.49
2023 1.499
2024 1.507
2030 1.553
2040 1.624
2050 1.682
2070 1.767
2080 1.796
2099 1.834