Year Total 1800 6.58 1801 6.58 1802 6.58 1803 6.58 1804 6.58 1805 6.58 1806 6.58 1807 6.58 1808 6.58 1809 6.58 1810 6.58 1811 6.58 1812 6.58 1813 6.58 1814 6.58 1815 6.58 1816 6.58 1817 6.58 1818 6.58 1819 6.58 1820 6.58 1821 6.58 1822 6.58 1823 6.58 1824 6.58 1825 6.58 1826 6.58 1827 6.58 1828 6.58 1829 6.58 1830 6.58 1831 6.58 1832 6.58 1833 6.58 1834 6.58 1835 6.58 1836 6.58 1837 6.58 1838 6.58 1839 6.58 1840 6.58 1841 6.58 1842 6.58 1843 6.58 1844 6.58 1845 6.58 1846 6.58 1847 6.58 1848 6.58 1849 6.58 1850 6.58 1851 6.58 1852 6.58 1853 6.58 1854 6.58 1855 6.58 1856 6.58 1857 6.58 1858 6.58 1859 6.58 1860 6.58 1861 6.58 1862 6.58 1863 6.58 1864 6.58 1865 6.58 1866 6.58 1867 6.58 1868 6.58 1869 6.58 1870 6.58 1871 6.58 1872 6.58 1873 6.58 1874 6.58 1875 6.58 1876 6.58 1877 6.58 1878 6.58 1879 6.58 1880 6.58 1881 6.58 1882 6.58 1883 6.58 1884 6.58 1885 6.58 1886 6.58 1887 6.58 1888 6.58 1889 6.58 1890 6.58 1891 6.58 1892 6.58 1893 6.58 1894 6.58 1895 6.58 1896 6.58 1897 6.58 1898 6.58 1899 6.58 1900 6.58 1901 6.58 1902 6.58 1903 6.58 1904 6.58 1905 6.58 1906 6.58 1907 6.58 1908 6.58 1909 6.58 1910 6.58 1911 6.58 1912 6.58 1913 6.58 1914 6.58 1915 6.58 1916 6.58 1917 6.58 1918 6.58 1919 6.58 1920 6.58 1921 6.58 1922 6.58 1923 6.58 1924 6.58 1925 6.58 1926 6.436 1927 6.292 1928 6.148 1929 6.005 1930 5.861 1931 5.717 1932 5.573 1933 5.429 1934 5.285 1935 5.141 1936 4.997 1937 4.854 1938 4.71 1939 4.566 1940 4.422 1941 4.427 1942 4.433 1943 4.438 1944 4.444 1945 4.449 1946 4.454 1947 4.46 1948 4.465 1949 4.471 1950 4.476 1951 4.473 1952 4.479 1953 4.506 1954 4.555 1955 4.626 1956 4.715 1957 4.821 1958 4.938 1959 5.056 1960 5.166 1961 5.255 1962 5.314 1963 5.335 1964 5.317 1965 5.266 1966 5.193 1967 5.112 1968 5.034 1969 4.961 1970 4.892 1971 4.815 1972 4.724 1973 4.615 1974 4.492 1975 4.365 1976 4.247 1977 4.15 1978 4.082 1979 4.044 1980 4.035 1981 4.046 1982 4.068 1983 4.086 1984 4.097 1985 4.093 1986 4.073 1987 4.039 1988 3.992 1989 3.932 1990 3.857 1991 3.767 1992 3.664 1993 3.551 1994 3.43 1995 3.304 1996 3.171 1997 3.037 1998 2.904 1999 2.78 2000 2.674 2001 2.594 2002 2.544 2003 2.526 2004 2.538 2005 2.579 2006 2.646 2007 2.728 2008 2.815 2009 2.9 2010 2.974 2011 3.028 2012 3.062 2013 3.075 2014 3.067 2015 3.04 2016 3 2017 2.953 2018 2.906 2019 2.863 2020 2.824 2021 2.791 2022 2.762 2023 2.733 2024 2.705 2030 2.558 2040 2.361 2050 2.207 2070 2.015 2080 1.966 2099 1.919