Year Total 1800 5.96 1801 5.96 1802 5.96 1803 5.96 1804 5.96 1805 5.96 1806 5.96 1807 5.96 1808 5.96 1809 5.96 1810 5.96 1811 5.96 1812 5.96 1813 5.96 1814 5.96 1815 5.96 1816 5.96 1817 5.96 1818 5.96 1819 5.96 1820 5.96 1821 5.96 1822 5.96 1823 5.96 1824 5.96 1825 5.96 1826 5.96 1827 5.96 1828 5.96 1829 5.96 1830 5.96 1831 5.96 1832 5.96 1833 5.96 1834 5.96 1835 5.96 1836 5.96 1837 5.96 1838 5.96 1839 5.96 1840 5.96 1841 5.96 1842 5.96 1843 5.96 1844 5.96 1845 5.96 1846 5.96 1847 5.96 1848 5.96 1849 5.96 1850 5.96 1851 5.96 1852 5.96 1853 5.96 1854 5.96 1855 5.96 1856 5.96 1857 5.96 1858 5.96 1859 5.96 1860 5.96 1861 5.96 1862 5.96 1863 5.96 1864 5.96 1865 5.96 1866 5.96 1867 5.96 1868 5.96 1869 5.96 1870 5.96 1871 5.96 1872 5.96 1873 5.96 1874 5.96 1875 5.96 1876 5.96 1877 5.96 1878 5.96 1879 5.96 1880 5.96 1881 5.96 1882 5.96 1883 5.96 1884 5.96 1885 5.96 1886 5.96 1887 5.96 1888 5.96 1889 5.96 1890 5.96 1891 5.96 1892 5.96 1893 5.96 1894 5.96 1895 5.96 1896 5.96 1897 5.96 1898 5.96 1899 5.96 1900 5.96 1901 5.96 1902 5.96 1903 5.96 1904 5.96 1905 5.96 1906 5.96 1907 5.96 1908 5.96 1909 5.96 1910 5.96 1911 5.96 1912 5.96 1913 5.96 1914 5.96 1915 5.96 1916 5.96 1917 5.96 1918 5.96 1919 5.96 1920 5.96 1921 5.96 1922 5.96 1923 5.96 1924 5.96 1925 5.96 1926 5.96 1927 5.96 1928 5.96 1929 5.96 1930 5.96 1931 5.96 1932 5.961 1933 5.961 1934 5.961 1935 5.961 1936 5.961 1937 5.961 1938 5.961 1939 5.961 1940 5.961 1941 5.961 1942 5.961 1943 5.961 1944 5.962 1945 5.962 1946 5.962 1947 5.962 1948 5.962 1949 5.962 1950 5.962 1951 5.971 1952 5.99 1953 6.009 1954 6.029 1955 6.049 1956 6.069 1957 6.09 1958 6.11 1959 6.13 1960 6.15 1961 6.167 1962 6.184 1963 6.199 1964 6.216 1965 6.236 1966 6.263 1967 6.301 1968 6.347 1969 6.401 1970 6.459 1971 6.517 1972 6.57 1973 6.613 1974 6.642 1975 6.654 1976 6.647 1977 6.622 1978 6.581 1979 6.524 1980 6.451 1981 6.362 1982 6.259 1983 6.145 1984 6.022 1985 5.893 1986 5.76 1987 5.625 1988 5.491 1989 5.358 1990 5.227 1991 5.098 1992 4.97 1993 4.842 1994 4.715 1995 4.59 1996 4.469 1997 4.351 1998 4.24 1999 4.134 2000 4.033 2001 3.938 2002 3.847 2003 3.759 2004 3.674 2005 3.591 2006 3.512 2007 3.436 2008 3.364 2009 3.295 2010 3.229 2011 3.167 2012 3.107 2013 3.051 2014 2.997 2015 2.945 2016 2.896 2017 2.849 2018 2.805 2019 2.763 2020 2.723 2021 2.684 2022 2.647 2023 2.611 2024 2.577 2030 2.394 2040 2.16 2050 1.995 2070 1.846 2080 1.824 2099 1.826