Year Total 1800 5.99 1801 5.99 1802 5.99 1803 5.99 1804 5.99 1805 5.99 1806 5.99 1807 5.99 1808 5.99 1809 5.99 1810 5.99 1811 5.99 1812 5.99 1813 5.99 1814 5.99 1815 5.99 1816 5.99 1817 5.99 1818 5.99 1819 5.99 1820 5.99 1821 5.99 1822 5.99 1823 5.99 1824 5.99 1825 5.99 1826 5.99 1827 5.99 1828 5.99 1829 5.99 1830 5.99 1831 5.99 1832 5.99 1833 5.99 1834 5.99 1835 5.99 1836 5.99 1837 5.99 1838 5.99 1839 5.99 1840 5.99 1841 5.99 1842 5.99 1843 5.99 1844 5.99 1845 5.99 1846 5.99 1847 5.99 1848 5.99 1849 5.99 1850 5.99 1851 5.99 1852 5.99 1853 5.99 1854 5.99 1855 5.99 1856 5.99 1857 5.99 1858 5.99 1859 5.99 1860 5.99 1861 5.99 1862 5.99 1863 5.99 1864 5.99 1865 5.99 1866 5.99 1867 5.99 1868 5.99 1869 5.99 1870 5.99 1871 5.99 1872 5.99 1873 5.99 1874 5.99 1875 5.99 1876 5.99 1877 5.99 1878 5.99 1879 5.99 1880 5.99 1881 5.99 1882 5.99 1883 5.99 1884 5.99 1885 5.99 1886 5.99 1887 5.99 1888 5.99 1889 5.99 1890 5.99 1891 5.99 1892 5.99 1893 5.99 1894 5.99 1895 5.99 1896 5.99 1897 5.99 1898 5.99 1899 5.99 1900 5.99 1901 5.99 1902 5.99 1903 5.99 1904 5.99 1905 5.99 1906 5.99 1907 5.99 1908 5.99 1909 5.99 1910 5.99 1911 5.99 1912 5.99 1913 5.99 1914 5.99 1915 5.99 1916 5.99 1917 5.99 1918 5.99 1919 5.99 1920 5.99 1921 5.99 1922 5.99 1923 5.99 1924 5.99 1925 5.99 1926 5.99 1927 5.99 1928 5.99 1929 5.991 1930 5.991 1931 5.991 1932 5.991 1933 5.991 1934 5.991 1935 5.992 1936 5.992 1937 5.992 1938 5.992 1939 5.992 1940 5.992 1941 5.993 1942 5.993 1943 5.993 1944 5.993 1945 5.993 1946 5.993 1947 5.994 1948 5.994 1949 5.994 1950 5.994 1951 5.99 1952 5.981 1953 5.975 1954 5.972 1955 5.97 1956 5.972 1957 5.976 1958 5.982 1959 5.99 1960 6.001 1961 6.015 1962 6.03 1963 6.048 1964 6.067 1965 6.089 1966 6.111 1967 6.135 1968 6.161 1969 6.187 1970 6.214 1971 6.242 1972 6.271 1973 6.301 1974 6.333 1975 6.366 1976 6.403 1977 6.443 1978 6.487 1979 6.535 1980 6.585 1981 6.636 1982 6.689 1983 6.742 1984 6.794 1985 6.847 1986 6.902 1987 6.96 1988 7.019 1989 7.077 1990 7.133 1991 7.183 1992 7.223 1993 7.251 1994 7.267 1995 7.267 1996 7.253 1997 7.227 1998 7.19 1999 7.143 2000 7.089 2001 7.027 2002 6.96 2003 6.887 2004 6.809 2005 6.728 2006 6.642 2007 6.55 2008 6.454 2009 6.354 2010 6.251 2011 6.146 2012 6.039 2013 5.933 2014 5.827 2015 5.723 2016 5.62 2017 5.519 2018 5.419 2019 5.32 2020 5.223 2021 5.127 2022 5.033 2023 4.94 2024 4.849 2030 4.335 2040 3.63 2050 3.114 2070 2.474 2080 2.27 2099 2.025