Year Total 1800 5.94 1801 5.94 1802 5.94 1803 5.94 1804 5.94 1805 5.94 1806 5.94 1807 5.94 1808 5.94 1809 5.94 1810 5.94 1811 5.94 1812 5.94 1813 5.94 1814 5.94 1815 5.94 1816 5.94 1817 5.94 1818 5.94 1819 5.94 1820 5.94 1821 5.94 1822 5.94 1823 5.94 1824 5.94 1825 5.94 1826 5.94 1827 5.94 1828 5.94 1829 5.94 1830 5.94 1831 5.94 1832 5.94 1833 5.94 1834 5.94 1835 5.94 1836 5.94 1837 5.94 1838 5.94 1839 5.94 1840 5.94 1841 5.94 1842 5.94 1843 5.94 1844 5.94 1845 5.94 1846 5.94 1847 5.94 1848 5.94 1849 5.94 1850 5.94 1851 5.94 1852 5.94 1853 5.94 1854 5.94 1855 5.94 1856 5.94 1857 5.94 1858 5.94 1859 5.94 1860 5.94 1861 5.94 1862 5.94 1863 5.94 1864 5.94 1865 5.94 1866 5.94 1867 5.94 1868 5.94 1869 5.94 1870 5.94 1871 5.94 1872 5.94 1873 5.94 1874 5.94 1875 5.94 1876 5.94 1877 5.94 1878 5.94 1879 5.94 1880 5.94 1881 5.94 1882 5.94 1883 5.94 1884 5.94 1885 5.94 1886 5.94 1887 5.94 1888 5.94 1889 5.94 1890 5.94 1891 5.94 1892 5.94 1893 5.94 1894 5.94 1895 5.94 1896 5.94 1897 5.94 1898 5.94 1899 5.94 1900 5.94 1901 5.94 1902 5.94 1903 5.94 1904 5.94 1905 5.94 1906 5.94 1907 5.94 1908 5.94 1909 5.94 1910 5.94 1911 5.94 1912 5.94 1913 5.94 1914 5.94 1915 5.94 1916 5.94 1917 5.94 1918 5.94 1919 5.94 1920 5.94 1921 5.94 1922 5.94 1923 5.94 1924 5.94 1925 5.94 1926 5.922 1927 5.905 1928 5.887 1929 5.869 1930 5.851 1931 5.834 1932 5.816 1933 5.798 1934 5.781 1935 5.763 1936 5.745 1937 5.727 1938 5.71 1939 5.692 1940 5.674 1941 5.656 1942 5.639 1943 5.621 1944 5.603 1945 5.586 1946 5.568 1947 5.55 1948 5.532 1949 5.515 1950 5.497 1951 5.504 1952 5.537 1953 5.607 1954 5.714 1955 5.859 1956 6.037 1957 6.245 1958 6.476 1959 6.718 1960 6.953 1961 7.168 1962 7.347 1963 7.477 1964 7.558 1965 7.593 1966 7.599 1967 7.591 1968 7.584 1969 7.578 1970 7.569 1971 7.546 1972 7.497 1973 7.413 1974 7.294 1975 7.144 1976 6.969 1977 6.78 1978 6.587 1979 6.395 1980 6.209 1981 6.033 1982 5.864 1983 5.696 1984 5.526 1985 5.345 1986 5.14 1987 4.906 1988 4.644 1989 4.356 1990 4.052 1991 3.746 1992 3.451 1993 3.18 1994 2.941 1995 2.738 1996 2.57 1997 2.43 1998 2.312 1999 2.216 2000 2.144 2001 2.102 2002 2.089 2003 2.103 2004 2.141 2005 2.193 2006 2.254 2007 2.315 2008 2.368 2009 2.41 2010 2.437 2011 2.447 2012 2.446 2013 2.436 2014 2.421 2015 2.401 2016 2.378 2017 2.354 2018 2.33 2019 2.307 2020 2.287 2021 2.27 2022 2.253 2023 2.237 2024 2.222 2030 2.142 2040 2.052 2050 2.001 2070 1.954 2080 1.945 2099 1.939