Year Total 1800 6.74 1801 6.74 1802 6.74 1803 6.74 1804 6.74 1805 6.74 1806 6.74 1807 6.74 1808 6.74 1809 6.74 1810 6.74 1811 6.74 1812 6.74 1813 6.74 1814 6.74 1815 6.74 1816 6.74 1817 6.74 1818 6.74 1819 6.74 1820 6.74 1821 6.74 1822 6.74 1823 6.74 1824 6.74 1825 6.74 1826 6.74 1827 6.74 1828 6.74 1829 6.74 1830 6.74 1831 6.74 1832 6.74 1833 6.74 1834 6.74 1835 6.74 1836 6.74 1837 6.74 1838 6.74 1839 6.74 1840 6.74 1841 6.74 1842 6.74 1843 6.74 1844 6.74 1845 6.74 1846 6.74 1847 6.74 1848 6.74 1849 6.74 1850 6.74 1851 6.74 1852 6.74 1853 6.74 1854 6.74 1855 6.74 1856 6.74 1857 6.74 1858 6.74 1859 6.74 1860 6.74 1861 6.74 1862 6.74 1863 6.74 1864 6.74 1865 6.74 1866 6.74 1867 6.74 1868 6.74 1869 6.74 1870 6.74 1871 6.74 1872 6.74 1873 6.74 1874 6.74 1875 6.74 1876 6.74 1877 6.74 1878 6.74 1879 6.74 1880 6.74 1881 6.74 1882 6.74 1883 6.74 1884 6.74 1885 6.74 1886 6.74 1887 6.74 1888 6.74 1889 6.74 1890 6.74 1891 6.74 1892 6.74 1893 6.74 1894 6.74 1895 6.74 1896 6.74 1897 6.74 1898 6.74 1899 6.74 1900 6.74 1901 6.74 1902 6.74 1903 6.74 1904 6.74 1905 6.74 1906 6.74 1907 6.74 1908 6.74 1909 6.74 1910 6.74 1911 6.74 1912 6.74 1913 6.74 1914 6.74 1915 6.74 1916 6.74 1917 6.74 1918 6.74 1919 6.74 1920 6.74 1921 6.74 1922 6.74 1923 6.74 1924 6.74 1925 6.74 1926 6.738 1927 6.737 1928 6.735 1929 6.733 1930 6.732 1931 6.73 1932 6.729 1933 6.727 1934 6.725 1935 6.724 1936 6.722 1937 6.72 1938 6.719 1939 6.717 1940 6.715 1941 6.714 1942 6.712 1943 6.71 1944 6.709 1945 6.707 1946 6.706 1947 6.704 1948 6.702 1949 6.701 1950 6.699 1951 6.711 1952 6.733 1953 6.752 1954 6.768 1955 6.781 1956 6.791 1957 6.798 1958 6.803 1959 6.805 1960 6.806 1961 6.806 1962 6.804 1963 6.803 1964 6.801 1965 6.798 1966 6.795 1967 6.791 1968 6.785 1969 6.778 1970 6.771 1971 6.765 1972 6.761 1973 6.758 1974 6.755 1975 6.751 1976 6.743 1977 6.73 1978 6.711 1979 6.685 1980 6.653 1981 6.618 1982 6.58 1983 6.542 1984 6.504 1985 6.465 1986 6.424 1987 6.379 1988 6.328 1989 6.273 1990 6.213 1991 6.148 1992 6.081 1993 6.013 1994 5.946 1995 5.883 1996 5.828 1997 5.78 1998 5.741 1999 5.711 2000 5.689 2001 5.675 2002 5.666 2003 5.659 2004 5.651 2005 5.638 2006 5.616 2007 5.585 2008 5.543 2009 5.49 2010 5.428 2011 5.359 2012 5.287 2013 5.214 2014 5.143 2015 5.074 2016 5.007 2017 4.942 2018 4.877 2019 4.813 2020 4.749 2021 4.686 2022 4.623 2023 4.561 2024 4.499 2030 4.15 2040 3.649 2050 3.244 2070 2.684 2080 2.49 2099 2.199