Year Total 1800 6.39 1801 6.39 1802 6.39 1803 6.39 1804 6.39 1805 6.39 1806 6.39 1807 6.39 1808 6.39 1809 6.39 1810 6.39 1811 6.39 1812 6.391 1813 6.391 1814 6.391 1815 6.391 1816 6.391 1817 6.391 1818 6.391 1819 6.391 1820 6.391 1821 6.391 1822 6.391 1823 6.391 1824 6.391 1825 6.391 1826 6.391 1827 6.391 1828 6.391 1829 6.391 1830 6.391 1831 6.391 1832 6.391 1833 6.391 1834 6.391 1835 6.392 1836 6.392 1837 6.392 1838 6.392 1839 6.392 1840 6.392 1841 6.392 1842 6.392 1843 6.392 1844 6.392 1845 6.392 1846 6.392 1847 6.392 1848 6.392 1849 6.392 1850 6.392 1851 6.392 1852 6.392 1853 6.392 1854 6.392 1855 6.392 1856 6.392 1857 6.392 1858 6.392 1859 6.393 1860 6.393 1861 6.393 1862 6.393 1863 6.393 1864 6.393 1865 6.393 1866 6.393 1867 6.393 1868 6.393 1869 6.393 1870 6.393 1871 6.393 1872 6.393 1873 6.393 1874 6.393 1875 6.393 1876 6.393 1877 6.393 1878 6.393 1879 6.393 1880 6.393 1881 6.393 1882 6.394 1883 6.394 1884 6.394 1885 6.394 1886 6.394 1887 6.394 1888 6.394 1889 6.394 1890 6.394 1891 6.394 1892 6.394 1893 6.394 1894 6.394 1895 6.394 1896 6.394 1897 6.394 1898 6.366 1899 6.338 1900 6.309 1901 6.281 1902 6.253 1903 6.224 1904 6.196 1905 6.168 1906 6.139 1907 6.111 1908 6.083 1909 6.054 1910 6.026 1911 5.998 1912 5.969 1913 5.941 1914 5.913 1915 5.885 1916 5.856 1917 5.828 1918 5.8 1919 5.771 1920 5.743 1921 5.715 1922 5.686 1923 5.658 1924 5.63 1925 5.601 1926 5.573 1927 5.417 1928 5.26 1929 5.104 1930 4.948 1931 4.791 1932 4.635 1933 4.478 1934 4.322 1935 4.166 1936 4.009 1937 3.853 1938 3.696 1939 3.54 1940 3.384 1941 3.393 1942 3.402 1943 3.411 1944 3.42 1945 3.429 1946 3.438 1947 3.448 1948 3.457 1949 3.466 1950 3.475 1951 3.485 1952 3.502 1953 3.51 1954 3.511 1955 3.504 1956 3.488 1957 3.463 1958 3.429 1959 3.384 1960 3.328 1961 3.259 1962 3.178 1963 3.086 1964 2.989 1965 2.891 1966 2.801 1967 2.722 1968 2.66 1969 2.613 1970 2.582 1971 2.56 1972 2.542 1973 2.523 1974 2.503 1975 2.483 1976 2.465 1977 2.455 1978 2.454 1979 2.462 1980 2.481 1981 2.51 1982 2.546 1983 2.585 1984 2.62 1985 2.643 1986 2.646 1987 2.625 1988 2.578 1989 2.506 1990 2.413 1991 2.305 1992 2.191 1993 2.079 1994 1.975 1995 1.882 1996 1.801 1997 1.73 1998 1.667 1999 1.613 2000 1.568 2001 1.535 2002 1.511 2003 1.497 2004 1.489 2005 1.487 2006 1.487 2007 1.488 2008 1.487 2009 1.483 2010 1.477 2011 1.469 2012 1.462 2013 1.456 2014 1.452 2015 1.451 2016 1.452 2017 1.455 2018 1.46 2019 1.467 2020 1.474 2021 1.482 2022 1.49 2023 1.499 2024 1.507 2030 1.553 2040 1.624 2050 1.682 2070 1.767 2080 1.796 2099 1.834