Year Total
1800 6.49
1801 6.49
1802 6.49
1803 6.49
1804 6.49
1805 6.49
1806 6.49
1807 6.49
1808 6.49
1809 6.49
1810 6.49
1811 6.49
1812 6.49
1813 6.49
1814 6.49
1815 6.49
1816 6.49
1817 6.49
1818 6.49
1819 6.49
1820 6.49
1821 6.49
1822 6.49
1823 6.49
1824 6.49
1825 6.49
1826 6.49
1827 6.49
1828 6.49
1829 6.49
1830 6.49
1831 6.49
1832 6.49
1833 6.49
1834 6.49
1835 6.49
1836 6.49
1837 6.49
1838 6.49
1839 6.49
1840 6.49
1841 6.49
1842 6.49
1843 6.49
1844 6.49
1845 6.49
1846 6.49
1847 6.49
1848 6.49
1849 6.49
1850 6.49
1851 6.49
1852 6.49
1853 6.49
1854 6.49
1855 6.49
1856 6.49
1857 6.49
1858 6.49
1859 6.49
1860 6.49
1861 6.49
1862 6.49
1863 6.49
1864 6.49
1865 6.49
1866 6.49
1867 6.49
1868 6.49
1869 6.49
1870 6.49
1871 6.49
1872 6.49
1873 6.49
1874 6.49
1875 6.49
1876 6.49
1877 6.49
1878 6.49
1879 6.49
1880 6.49
1881 6.49
1882 6.49
1883 6.49
1884 6.49
1885 6.49
1886 6.49
1887 6.49
1888 6.49
1889 6.49
1890 6.49
1891 6.49
1892 6.49
1893 6.49
1894 6.49
1895 6.49
1896 6.49
1897 6.49
1898 6.49
1899 6.49
1900 6.49
1901 6.49
1902 6.49
1903 6.49
1904 6.49
1905 6.49
1906 6.49
1907 6.49
1908 6.49
1909 6.49
1910 6.49
1911 6.49
1912 6.49
1913 6.49
1914 6.49
1915 6.49
1916 6.49
1917 6.49
1918 6.49
1919 6.49
1920 6.49
1921 6.49
1922 6.49
1923 6.49
1924 6.49
1925 6.49
1926 6.49
1927 6.49
1928 6.49
1929 6.49
1930 6.49
1931 6.49
1932 6.49
1933 6.49
1934 6.49
1935 6.49
1936 6.49
1937 6.49
1938 6.49
1939 6.49
1940 6.49
1941 6.49
1942 6.49
1943 6.49
1944 6.49
1945 6.49
1946 6.49
1947 6.49
1948 6.49
1949 6.49
1950 6.49
1951 6.493
1952 6.499
1953 6.503
1954 6.506
1955 6.509
1956 6.51
1957 6.511
1958 6.509
1959 6.506
1960 6.5
1961 6.489
1962 6.472
1963 6.447
1964 6.41
1965 6.356
1966 6.276
1967 6.17
1968 6.041
1969 5.894
1970 5.739
1971 5.589
1972 5.456
1973 5.347
1974 5.267
1975 5.217
1976 5.196
1977 5.195
1978 5.203
1979 5.214
1980 5.219
1981 5.213
1982 5.191
1983 5.151
1984 5.094
1985 5.02
1986 4.931
1987 4.835
1988 4.736
1989 4.637
1990 4.541
1991 4.448
1992 4.356
1993 4.266
1994 4.177
1995 4.09
1996 4.005
1997 3.921
1998 3.839
1999 3.758
2000 3.677
2001 3.595
2002 3.512
2003 3.429
2004 3.346
2005 3.266
2006 3.191
2007 3.123
2008 3.063
2009 3.012
2010 2.968
2011 2.931
2012 2.897
2013 2.864
2014 2.832
2015 2.799
2016 2.767
2017 2.735
2018 2.704
2019 2.674
2020 2.646
2021 2.618
2022 2.592
2023 2.566
2024 2.541
2030 2.402
2040 2.212
2050 2.07
2070 1.907
2080 1.873
2099 1.85