Year Total
1800 6.75
1801 6.75
1802 6.75
1803 6.75
1804 6.75
1805 6.75
1806 6.75
1807 6.75
1808 6.75
1809 6.75
1810 6.75
1811 6.75
1812 6.75
1813 6.75
1814 6.75
1815 6.75
1816 6.75
1817 6.75
1818 6.75
1819 6.75
1820 6.75
1821 6.75
1822 6.75
1823 6.75
1824 6.75
1825 6.75
1826 6.75
1827 6.75
1828 6.75
1829 6.75
1830 6.75
1831 6.75
1832 6.75
1833 6.75
1834 6.75
1835 6.75
1836 6.75
1837 6.75
1838 6.75
1839 6.75
1840 6.75
1841 6.75
1842 6.75
1843 6.75
1844 6.75
1845 6.75
1846 6.75
1847 6.75
1848 6.75
1849 6.75
1850 6.75
1851 6.75
1852 6.75
1853 6.75
1854 6.75
1855 6.75
1856 6.75
1857 6.75
1858 6.75
1859 6.75
1860 6.75
1861 6.75
1862 6.75
1863 6.75
1864 6.75
1865 6.75
1866 6.75
1867 6.75
1868 6.75
1869 6.75
1870 6.75
1871 6.75
1872 6.75
1873 6.75
1874 6.75
1875 6.75
1876 6.75
1877 6.75
1878 6.75
1879 6.75
1880 6.75
1881 6.75
1882 6.75
1883 6.75
1884 6.75
1885 6.75
1886 6.75
1887 6.75
1888 6.75
1889 6.75
1890 6.75
1891 6.75
1892 6.75
1893 6.75
1894 6.75
1895 6.75
1896 6.75
1897 6.75
1898 6.75
1899 6.75
1900 6.75
1901 6.75
1902 6.75
1903 6.75
1904 6.75
1905 6.75
1906 6.75
1907 6.75
1908 6.75
1909 6.75
1910 6.75
1911 6.75
1912 6.75
1913 6.75
1914 6.75
1915 6.75
1916 6.75
1917 6.75
1918 6.75
1919 6.75
1920 6.75
1921 6.75
1922 6.75
1923 6.75
1924 6.75
1925 6.75
1926 6.75
1927 6.75
1928 6.75
1929 6.75
1930 6.751
1931 6.751
1932 6.751
1933 6.751
1934 6.751
1935 6.751
1936 6.751
1937 6.751
1938 6.752
1939 6.752
1940 6.752
1941 6.752
1942 6.752
1943 6.752
1944 6.752
1945 6.752
1946 6.753
1947 6.753
1948 6.753
1949 6.753
1950 6.753
1951 6.761
1952 6.781
1953 6.808
1954 6.842
1955 6.883
1956 6.929
1957 6.982
1958 7.039
1959 7.098
1960 7.158
1961 7.215
1962 7.267
1963 7.311
1964 7.347
1965 7.373
1966 7.391
1967 7.403
1968 7.411
1969 7.415
1970 7.417
1971 7.419
1972 7.42
1973 7.417
1974 7.41
1975 7.395
1976 7.369
1977 7.33
1978 7.273
1979 7.196
1980 7.095
1981 6.967
1982 6.811
1983 6.633
1984 6.435
1985 6.223
1986 6.004
1987 5.784
1988 5.569
1989 5.365
1990 5.176
1991 5.001
1992 4.84
1993 4.69
1994 4.554
1995 4.432
1996 4.328
1997 4.24
1998 4.169
1999 4.112
2000 4.069
2001 4.039
2002 4.018
2003 4.002
2004 3.987
2005 3.969
2006 3.941
2007 3.903
2008 3.853
2009 3.792
2010 3.721
2011 3.643
2012 3.564
2013 3.486
2014 3.414
2015 3.347
2016 3.285
2017 3.228
2018 3.173
2019 3.121
2020 3.071
2021 3.022
2022 2.976
2023 2.93
2024 2.886
2030 2.652
2040 2.346
2050 2.116
2070 1.881
2080 1.842
2099 1.83