Year Total 1800 5.78 1801 5.78 1802 5.78 1803 5.78 1804 5.78 1805 5.78 1806 5.78 1807 5.78 1808 5.78 1809 5.78 1810 5.78 1811 5.78 1812 5.78 1813 5.78 1814 5.78 1815 5.78 1816 5.78 1817 5.78 1818 5.78 1819 5.78 1820 5.78 1821 5.78 1822 5.78 1823 5.78 1824 5.78 1825 5.78 1826 5.78 1827 5.78 1828 5.78 1829 5.78 1830 5.78 1831 5.78 1832 5.78 1833 5.78 1834 5.78 1835 5.78 1836 5.78 1837 5.78 1838 5.78 1839 5.78 1840 5.78 1841 5.78 1842 5.78 1843 5.78 1844 5.78 1845 5.78 1846 5.78 1847 5.78 1848 5.78 1849 5.78 1850 5.78 1851 5.78 1852 5.78 1853 5.78 1854 5.78 1855 5.78 1856 5.78 1857 5.78 1858 5.78 1859 5.78 1860 5.78 1861 5.78 1862 5.78 1863 5.78 1864 5.78 1865 5.78 1866 5.78 1867 5.78 1868 5.78 1869 5.78 1870 5.78 1871 5.78 1872 5.78 1873 5.78 1874 5.78 1875 5.78 1876 5.78 1877 5.78 1878 5.78 1879 5.78 1880 5.78 1881 5.78 1882 5.78 1883 5.78 1884 5.78 1885 5.78 1886 5.78 1887 5.78 1888 5.78 1889 5.78 1890 5.78 1891 5.583 1892 5.387 1893 5.19 1894 4.993 1895 4.797 1896 4.6 1897 4.403 1898 4.207 1899 4.01 1900 4.549 1901 5.089 1902 5.628 1903 5.666 1904 5.705 1905 5.743 1906 5.782 1907 5.82 1908 5.817 1909 5.813 1910 5.81 1911 5.807 1912 5.803 1913 5.8 1914 5.797 1915 5.793 1916 5.79 1917 5.787 1918 5.783 1919 5.78 1920 5.673 1921 5.567 1922 5.46 1923 5.353 1924 5.247 1925 5.14 1926 5.033 1927 4.927 1928 4.82 1929 4.713 1930 4.607 1931 4.5 1932 4.458 1933 4.417 1934 4.375 1935 4.333 1936 4.292 1937 4.25 1938 4.208 1939 4.167 1940 4.125 1941 4.083 1942 4.042 1943 4 1944 4.108 1945 4.217 1946 4.325 1947 4.433 1948 4.541 1949 4.65 1950 4.758 1951 4.564 1952 4.218 1953 3.956 1954 3.778 1955 3.682 1956 3.665 1957 3.721 1958 3.839 1959 4.001 1960 4.182 1961 4.36 1962 4.509 1963 4.606 1964 4.643 1965 4.617 1966 4.54 1967 4.433 1968 4.312 1969 4.18 1970 4.033 1971 3.857 1972 3.646 1973 3.4 1974 3.127 1975 2.844 1976 2.573 1977 2.332 1978 2.134 1979 1.987 1980 1.892 1981 1.843 1982 1.826 1983 1.825 1984 1.832 1985 1.837 1986 1.836 1987 1.827 1988 1.81 1989 1.785 1990 1.752 1991 1.715 1992 1.68 1993 1.65 1994 1.628 1995 1.614 1996 1.609 1997 1.61 1998 1.615 1999 1.621 2000 1.626 2001 1.626 2002 1.621 2003 1.61 2004 1.592 2005 1.57 2006 1.545 2007 1.52 2008 1.498 2009 1.48 2010 1.467 2011 1.459 2012 1.453 2013 1.449 2014 1.447 2015 1.447 2016 1.448 2017 1.451 2018 1.455 2019 1.461 2020 1.468 2021 1.475 2022 1.483 2023 1.492 2024 1.5 2030 1.547 2040 1.618 2050 1.679 2070 1.766 2080 1.794 2099 1.832