Year Total 1800 6.34 1801 6.34 1802 6.34 1803 6.34 1804 6.34 1805 6.34 1806 6.34 1807 6.34 1808 6.34 1809 6.34 1810 6.34 1811 6.34 1812 6.34 1813 6.34 1814 6.34 1815 6.34 1816 6.34 1817 6.34 1818 6.34 1819 6.34 1820 6.34 1821 6.34 1822 6.34 1823 6.34 1824 6.34 1825 6.34 1826 6.34 1827 6.34 1828 6.34 1829 6.34 1830 6.34 1831 6.34 1832 6.34 1833 6.34 1834 6.34 1835 6.34 1836 6.34 1837 6.34 1838 6.34 1839 6.34 1840 6.34 1841 6.34 1842 6.34 1843 6.34 1844 6.34 1845 6.34 1846 6.34 1847 6.34 1848 6.34 1849 6.34 1850 6.34 1851 6.34 1852 6.34 1853 6.34 1854 6.34 1855 6.34 1856 6.34 1857 6.34 1858 6.34 1859 6.34 1860 6.34 1861 6.34 1862 6.34 1863 6.34 1864 6.34 1865 6.34 1866 6.34 1867 6.34 1868 6.34 1869 6.34 1870 6.34 1871 6.34 1872 6.34 1873 6.34 1874 6.34 1875 6.34 1876 6.34 1877 6.34 1878 6.34 1879 6.34 1880 6.34 1881 6.34 1882 6.34 1883 6.34 1884 6.34 1885 6.34 1886 6.34 1887 6.34 1888 6.34 1889 6.34 1890 6.34 1891 6.34 1892 6.34 1893 6.34 1894 6.34 1895 6.34 1896 6.34 1897 6.34 1898 6.34 1899 6.34 1900 6.34 1901 6.34 1902 6.34 1903 6.34 1904 6.34 1905 6.34 1906 6.34 1907 6.34 1908 6.34 1909 6.34 1910 6.34 1911 6.34 1912 6.34 1913 6.34 1914 6.34 1915 6.34 1916 6.34 1917 6.34 1918 6.34 1919 6.34 1920 6.34 1921 6.34 1922 6.34 1923 6.34 1924 6.34 1925 6.34 1926 6.331 1927 6.322 1928 6.313 1929 6.304 1930 6.295 1931 6.286 1932 6.278 1933 6.269 1934 6.26 1935 6.251 1936 6.242 1937 6.233 1938 6.224 1939 6.215 1940 6.206 1941 6.197 1942 6.188 1943 6.179 1944 6.171 1945 6.162 1946 6.153 1947 6.144 1948 6.135 1949 6.126 1950 6.117 1951 6.179 1952 6.296 1953 6.4 1954 6.49 1955 6.568 1956 6.632 1957 6.685 1958 6.725 1959 6.755 1960 6.775 1961 6.787 1962 6.794 1963 6.798 1964 6.799 1965 6.799 1966 6.798 1967 6.798 1968 6.795 1969 6.791 1970 6.784 1971 6.774 1972 6.759 1973 6.739 1974 6.713 1975 6.681 1976 6.641 1977 6.594 1978 6.541 1979 6.484 1980 6.426 1981 6.368 1982 6.314 1983 6.264 1984 6.219 1985 6.178 1986 6.141 1987 6.104 1988 6.065 1989 6.023 1990 5.978 1991 5.928 1992 5.875 1993 5.818 1994 5.758 1995 5.696 1996 5.633 1997 5.569 1998 5.505 1999 5.442 2000 5.381 2001 5.321 2002 5.263 2003 5.205 2004 5.15 2005 5.095 2006 5.042 2007 4.99 2008 4.939 2009 4.888 2010 4.837 2011 4.783 2012 4.728 2013 4.67 2014 4.61 2015 4.549 2016 4.486 2017 4.423 2018 4.361 2019 4.3 2020 4.241 2021 4.183 2022 4.127 2023 4.073 2024 4.019 2030 3.719 2040 3.301 2050 2.978 2070 2.526 2080 2.357 2099 2.115