Year Total 1800 6.78 1801 6.78 1802 6.78 1803 6.78 1804 6.78 1805 6.78 1806 6.78 1807 6.78 1808 6.78 1809 6.78 1810 6.78 1811 6.78 1812 6.78 1813 6.78 1814 6.78 1815 6.78 1816 6.78 1817 6.78 1818 6.78 1819 6.78 1820 6.78 1821 6.78 1822 6.78 1823 6.78 1824 6.78 1825 6.78 1826 6.78 1827 6.78 1828 6.78 1829 6.78 1830 6.78 1831 6.78 1832 6.78 1833 6.78 1834 6.78 1835 6.78 1836 6.78 1837 6.78 1838 6.78 1839 6.78 1840 6.78 1841 6.78 1842 6.78 1843 6.78 1844 6.78 1845 6.78 1846 6.78 1847 6.78 1848 6.78 1849 6.78 1850 6.78 1851 6.78 1852 6.78 1853 6.78 1854 6.78 1855 6.78 1856 6.78 1857 6.78 1858 6.78 1859 6.78 1860 6.78 1861 6.78 1862 6.78 1863 6.78 1864 6.78 1865 6.78 1866 6.78 1867 6.78 1868 6.78 1869 6.78 1870 6.78 1871 6.78 1872 6.78 1873 6.78 1874 6.78 1875 6.78 1876 6.78 1877 6.78 1878 6.78 1879 6.78 1880 6.78 1881 6.78 1882 6.78 1883 6.78 1884 6.78 1885 6.78 1886 6.78 1887 6.78 1888 6.78 1889 6.78 1890 6.78 1891 6.78 1892 6.78 1893 6.78 1894 6.78 1895 6.78 1896 6.78 1897 6.78 1898 6.78 1899 6.78 1900 6.78 1901 6.78 1902 6.78 1903 6.78 1904 6.78 1905 6.78 1906 6.78 1907 6.78 1908 6.78 1909 6.78 1910 6.78 1911 6.78 1912 6.78 1913 6.78 1914 6.78 1915 6.78 1916 6.78 1917 6.78 1918 6.78 1919 6.78 1920 6.78 1921 6.78 1922 6.78 1923 6.78 1924 6.78 1925 6.78 1926 6.774 1927 6.767 1928 6.761 1929 6.755 1930 6.748 1931 6.742 1932 6.736 1933 6.729 1934 6.723 1935 6.717 1936 6.71 1937 6.704 1938 6.698 1939 6.692 1940 6.685 1941 6.679 1942 6.673 1943 6.666 1944 6.66 1945 6.654 1946 6.647 1947 6.641 1948 6.635 1949 6.628 1950 6.622 1951 6.66 1952 6.736 1953 6.812 1954 6.888 1955 6.965 1956 7.042 1957 7.119 1958 7.197 1959 7.274 1960 7.351 1961 7.427 1962 7.501 1963 7.572 1964 7.639 1965 7.701 1966 7.757 1967 7.806 1968 7.849 1969 7.883 1970 7.908 1971 7.927 1972 7.937 1973 7.94 1974 7.934 1975 7.916 1976 7.884 1977 7.837 1978 7.774 1979 7.695 1980 7.602 1981 7.497 1982 7.383 1983 7.263 1984 7.139 1985 7.013 1986 6.884 1987 6.752 1988 6.619 1989 6.486 1990 6.356 1991 6.232 1992 6.114 1993 6.005 1994 5.904 1995 5.81 1996 5.72 1997 5.633 1998 5.547 1999 5.46 2000 5.375 2001 5.289 2002 5.207 2003 5.13 2004 5.06 2005 5 2006 4.956 2007 4.928 2008 4.913 2009 4.909 2010 4.91 2011 4.907 2012 4.894 2013 4.866 2014 4.822 2015 4.763 2016 4.692 2017 4.616 2018 4.54 2019 4.468 2020 4.401 2021 4.338 2022 4.278 2023 4.22 2024 4.163 2030 3.85 2040 3.424 2050 3.088 2070 2.587 2080 2.389 2099 2.103