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 5.939 1811 5.939 1812 5.939 1813 5.939 1814 5.939 1815 5.939 1816 5.939 1817 5.939 1818 5.939 1819 5.939 1820 5.939 1821 5.939 1822 5.939 1823 5.939 1824 5.939 1825 5.939 1826 5.939 1827 5.939 1828 5.939 1829 5.938 1830 5.938 1831 5.938 1832 5.938 1833 5.938 1834 5.938 1835 5.938 1836 5.938 1837 5.938 1838 5.938 1839 5.938 1840 5.938 1841 5.938 1842 5.938 1843 5.938 1844 5.938 1845 5.938 1846 5.938 1847 5.938 1848 5.937 1849 5.937 1850 5.937 1851 5.937 1852 5.937 1853 5.937 1854 5.937 1855 5.937 1856 5.937 1857 5.937 1858 5.937 1859 5.937 1860 5.937 1861 5.937 1862 5.937 1863 5.937 1864 5.937 1865 5.937 1866 5.937 1867 5.936 1868 5.936 1869 5.936 1870 5.936 1871 5.936 1872 5.936 1873 5.942 1874 5.947 1875 5.952 1876 5.958 1877 5.963 1878 5.917 1879 5.872 1880 5.826 1881 5.781 1882 5.735 1883 5.767 1884 5.8 1885 5.832 1886 5.864 1887 5.896 1888 5.829 1889 5.762 1890 5.695 1891 5.628 1892 5.561 1893 5.542 1894 5.523 1895 5.505 1896 5.486 1897 5.467 1898 5.416 1899 5.365 1900 5.314 1901 5.264 1902 5.213 1903 5.156 1904 5.1 1905 5.044 1906 4.987 1907 4.931 1908 4.856 1909 4.781 1910 4.706 1911 4.631 1912 4.556 1913 4.13 1914 3.704 1915 3.278 1916 2.852 1917 2.425 1918 3.034 1919 3.642 1920 4.25 1921 4.96 1922 4.67 1923 4.55 1924 4.25 1925 4.01 1926 3.98 1927 3.76 1928 3.69 1929 3.48 1930 3.49 1931 3.33 1932 3.29 1933 2.96 1934 2.86 1935 2.8 1936 2.79 1937 2.77 1938 2.802 1939 2.835 1940 2.867 1941 2.9 1942 2.932 1943 2.965 1944 2.997 1945 3.03 1946 3.112 1947 3.219 1948 3.262 1949 3.264 1950 3.592 1951 3.571 1952 3.527 1953 3.481 1954 3.433 1955 3.382 1956 3.329 1957 3.273 1958 3.214 1959 3.152 1960 3.085 1961 3.013 1962 2.937 1963 2.858 1964 2.779 1965 2.703 1966 2.637 1967 2.582 1968 2.541 1969 2.514 1970 2.499 1971 2.495 1972 2.497 1973 2.5 1974 2.501 1975 2.496 1976 2.484 1977 2.465 1978 2.44 1979 2.409 1980 2.374 1981 2.338 1982 2.304 1983 2.274 1984 2.246 1985 2.221 1986 2.195 1987 2.166 1988 2.131 1989 2.088 1990 2.035 1991 1.97 1992 1.895 1993 1.811 1994 1.722 1995 1.631 1996 1.541 1997 1.458 1998 1.383 1999 1.321 2000 1.274 2001 1.243 2002 1.227 2003 1.223 2004 1.229 2005 1.244 2006 1.264 2007 1.286 2008 1.309 2009 1.331 2010 1.35 2011 1.367 2012 1.382 2013 1.396 2014 1.411 2015 1.425 2016 1.438 2017 1.451 2018 1.464 2019 1.476 2020 1.488 2021 1.5 2022 1.511 2023 1.522 2024 1.533 2030 1.591 2040 1.665 2050 1.72 2070 1.792 2080 1.814 2099 1.847