Year Total 1800 6.89 1801 6.89 1802 6.89 1803 6.89 1804 6.89 1805 6.89 1806 6.89 1807 6.89 1808 6.89 1809 6.89 1810 6.89 1811 6.89 1812 6.89 1813 6.89 1814 6.89 1815 6.89 1816 6.89 1817 6.89 1818 6.89 1819 6.89 1820 6.89 1821 6.89 1822 6.89 1823 6.89 1824 6.89 1825 6.89 1826 6.89 1827 6.89 1828 6.89 1829 6.89 1830 6.89 1831 6.89 1832 6.89 1833 6.89 1834 6.89 1835 6.89 1836 6.89 1837 6.89 1838 6.89 1839 6.89 1840 6.89 1841 6.89 1842 6.89 1843 6.89 1844 6.89 1845 6.89 1846 6.89 1847 6.89 1848 6.89 1849 6.89 1850 6.89 1851 6.89 1852 6.89 1853 6.89 1854 6.89 1855 6.89 1856 6.89 1857 6.89 1858 6.89 1859 6.89 1860 6.89 1861 6.89 1862 6.89 1863 6.89 1864 6.89 1865 6.89 1866 6.89 1867 6.89 1868 6.89 1869 6.89 1870 6.89 1871 6.89 1872 6.89 1873 6.89 1874 6.89 1875 6.89 1876 6.89 1877 6.89 1878 6.89 1879 6.89 1880 6.89 1881 6.89 1882 6.89 1883 6.89 1884 6.89 1885 6.89 1886 6.89 1887 6.89 1888 6.89 1889 6.89 1890 6.89 1891 6.89 1892 6.89 1893 6.89 1894 6.89 1895 6.89 1896 6.89 1897 6.89 1898 6.89 1899 6.89 1900 6.89 1901 6.89 1902 6.89 1903 6.89 1904 6.89 1905 6.89 1906 6.89 1907 6.89 1908 6.89 1909 6.89 1910 6.89 1911 6.89 1912 6.89 1913 6.89 1914 6.89 1915 6.89 1916 6.89 1917 6.89 1918 6.89 1919 6.89 1920 6.89 1921 6.89 1922 6.89 1923 6.89 1924 6.89 1925 6.89 1926 6.906 1927 6.923 1928 6.939 1929 6.956 1930 6.972 1931 6.988 1932 7.005 1933 7.021 1934 7.038 1935 7.054 1936 7.07 1937 7.087 1938 7.103 1939 7.12 1940 7.136 1941 7.152 1942 7.169 1943 7.185 1944 7.202 1945 7.218 1946 7.234 1947 7.251 1948 7.267 1949 7.284 1950 7.3 1951 7.3 1952 7.3 1953 7.3 1954 7.3 1955 7.3 1956 7.3 1957 7.3 1958 7.3 1959 7.3 1960 7.3 1961 7.3 1962 7.3 1963 7.3 1964 7.3 1965 7.301 1966 7.304 1967 7.31 1968 7.316 1969 7.322 1970 7.325 1971 7.325 1972 7.318 1973 7.3 1974 7.269 1975 7.216 1976 7.129 1977 7.008 1978 6.857 1979 6.687 1980 6.514 1981 6.359 1982 6.24 1983 6.165 1984 6.135 1985 6.146 1986 6.182 1987 6.225 1988 6.256 1989 6.268 1990 6.258 1991 6.225 1992 6.179 1993 6.126 1994 6.066 1995 5.999 1996 5.924 1997 5.841 1998 5.749 1999 5.651 2000 5.548 2001 5.443 2002 5.337 2003 5.233 2004 5.133 2005 5.039 2006 4.952 2007 4.87 2008 4.794 2009 4.722 2010 4.654 2011 4.59 2012 4.528 2013 4.468 2014 4.409 2015 4.351 2016 4.293 2017 4.236 2018 4.18 2019 4.126 2020 4.072 2021 4.02 2022 3.969 2023 3.919 2024 3.871 2030 3.601 2040 3.233 2050 2.94 2070 2.505 2080 2.332 2099 2.091