Year Total
1800 6.45
1801 6.45
1802 6.45
1803 6.45
1804 6.45
1805 6.45
1806 6.45
1807 6.45
1808 6.45
1809 6.45
1810 6.45
1811 6.45
1812 6.45
1813 6.45
1814 6.45
1815 6.45
1816 6.45
1817 6.45
1818 6.45
1819 6.45
1820 6.45
1821 6.45
1822 6.45
1823 6.45
1824 6.45
1825 6.45
1826 6.45
1827 6.45
1828 6.45
1829 6.45
1830 6.45
1831 6.45
1832 6.45
1833 6.45
1834 6.45
1835 6.45
1836 6.45
1837 6.45
1838 6.45
1839 6.45
1840 6.45
1841 6.45
1842 6.45
1843 6.45
1844 6.45
1845 6.45
1846 6.45
1847 6.45
1848 6.45
1849 6.45
1850 6.45
1851 6.45
1852 6.45
1853 6.45
1854 6.45
1855 6.45
1856 6.45
1857 6.45
1858 6.45
1859 6.45
1860 6.45
1861 6.45
1862 6.45
1863 6.45
1864 6.45
1865 6.45
1866 6.45
1867 6.45
1868 6.45
1869 6.45
1870 6.45
1871 6.45
1872 6.45
1873 6.45
1874 6.45
1875 6.45
1876 6.45
1877 6.45
1878 6.45
1879 6.45
1880 6.45
1881 6.45
1882 6.45
1883 6.45
1884 6.45
1885 6.45
1886 6.45
1887 6.45
1888 6.45
1889 6.45
1890 6.45
1891 6.45
1892 6.45
1893 6.45
1894 6.45
1895 6.45
1896 6.45
1897 6.45
1898 6.45
1899 6.45
1900 6.45
1901 6.394
1902 6.339
1903 6.283
1904 6.228
1905 6.172
1906 6.117
1907 6.061
1908 6.006
1909 5.95
1910 5.895
1911 5.839
1912 5.784
1913 5.728
1914 5.672
1915 5.617
1916 5.561
1917 5.506
1918 5.45
1919 5.395
1920 5.339
1921 5.284
1922 5.228
1923 5.173
1924 5.117
1925 5.062
1926 5.006
1927 4.95
1928 4.895
1929 4.839
1930 4.784
1931 4.811
1932 4.837
1933 4.864
1934 4.891
1935 4.918
1936 4.969
1937 5.02
1938 5.071
1939 5.121
1940 5.172
1941 5.207
1942 5.242
1943 5.277
1944 5.312
1945 5.347
1946 5.537
1947 5.727
1948 5.917
1949 6.107
1950 6.297
1951 6.402
1952 6.59
1953 6.731
1954 6.824
1955 6.871
1956 6.871
1957 6.827
1958 6.74
1959 6.616
1960 6.461
1961 6.281
1962 6.085
1963 5.881
1964 5.676
1965 5.475
1966 5.278
1967 5.083
1968 4.892
1969 4.71
1970 4.543
1971 4.397
1972 4.275
1973 4.178
1974 4.106
1975 4.054
1976 4.018
1977 3.992
1978 3.968
1979 3.941
1980 3.907
1981 3.864
1982 3.813
1983 3.755
1984 3.693
1985 3.629
1986 3.568
1987 3.512
1988 3.465
1989 3.427
1990 3.398
1991 3.374
1992 3.352
1993 3.33
1994 3.305
1995 3.276
1996 3.244
1997 3.209
1998 3.171
1999 3.132
2000 3.09
2001 3.046
2002 3.001
2003 2.954
2004 2.907
2005 2.86
2006 2.816
2007 2.774
2008 2.736
2009 2.701
2010 2.67
2011 2.641
2012 2.615
2013 2.588
2014 2.562
2015 2.536
2016 2.511
2017 2.485
2018 2.46
2019 2.436
2020 2.412
2021 2.389
2022 2.366
2023 2.344
2024 2.323
2030 2.205
2040 2.054
2050 1.955
2070 1.87
2080 1.859
2099 1.859