Year Total 1800 5.72 1801 5.72 1802 5.72 1803 5.72 1804 5.72 1805 5.72 1806 5.72 1807 5.72 1808 5.72 1809 5.72 1810 5.72 1811 5.72 1812 5.72 1813 5.721 1814 5.721 1815 5.721 1816 5.721 1817 5.721 1818 5.721 1819 5.721 1820 5.721 1821 5.721 1822 5.721 1823 5.721 1824 5.721 1825 5.721 1826 5.721 1827 5.721 1828 5.721 1829 5.721 1830 5.721 1831 5.721 1832 5.721 1833 5.721 1834 5.721 1835 5.721 1836 5.721 1837 5.721 1838 5.721 1839 5.722 1840 5.722 1841 5.722 1842 5.722 1843 5.722 1844 5.722 1845 5.722 1846 5.722 1847 5.722 1848 5.722 1849 5.722 1850 5.722 1851 5.722 1852 5.722 1853 5.722 1854 5.722 1855 5.722 1856 5.722 1857 5.722 1858 5.722 1859 5.722 1860 5.722 1861 5.722 1862 5.63 1863 5.537 1864 5.445 1865 5.352 1866 5.26 1867 5.167 1868 5.075 1869 4.982 1870 4.89 1871 4.797 1872 4.773 1873 4.749 1874 4.725 1875 4.701 1876 4.677 1877 4.652 1878 4.628 1879 4.604 1880 4.58 1881 4.556 1882 4.521 1883 4.486 1884 4.451 1885 4.415 1886 4.38 1887 4.345 1888 4.31 1889 4.275 1890 4.24 1891 4.205 1892 4.187 1893 4.168 1894 4.15 1895 4.132 1896 4.114 1897 4.096 1898 4.078 1899 4.059 1900 4.041 1901 4.023 1902 4.026 1903 4.028 1904 4.031 1905 4.034 1906 4.037 1907 4.039 1908 4.042 1909 4.045 1910 4.047 1911 4.05 1912 3.998 1913 3.946 1914 3.893 1915 3.841 1916 3.789 1917 3.737 1918 3.685 1919 3.632 1920 3.58 1921 3.528 1922 3.4 1923 3.229 1924 3.217 1925 3.13 1926 3.353 1927 3.316 1928 3.294 1929 3.217 1930 3.281 1931 3.194 1932 3.081 1933 2.863 1934 2.801 1935 2.751 1936 2.692 1937 2.639 1938 2.696 1939 2.648 1940 2.758 1941 2.82 1942 2.954 1943 3.028 1944 2.996 1945 2.998 1946 3.359 1947 3.579 1948 3.42 1949 3.436 1950 3.426 1951 3.472 1952 3.617 1953 3.696 1954 3.808 1955 3.813 1956 3.841 1957 3.93 1958 3.893 1959 3.943 1960 3.909 1961 3.853 1962 3.771 1963 3.681 1964 3.513 1965 3.149 1966 2.814 1967 2.596 1968 2.456 1969 2.405 1970 2.311 1971 2.137 1972 1.965 1973 1.875 1974 1.83 1975 1.831 1976 1.782 1977 1.75 1978 1.697 1979 1.695 1980 1.68 1981 1.652 1982 1.636 1983 1.62 1984 1.624 1985 1.61 1986 1.594 1987 1.576 1988 1.599 1989 1.658 1990 1.715 1991 1.714 1992 1.711 1993 1.682 1994 1.685 1995 1.67 1996 1.631 1997 1.567 1998 1.556 1999 1.544 2000 1.507 2001 1.536 2002 1.513 2003 1.542 2004 1.548 2005 1.566 2006 1.613 2007 1.657 2008 1.681 2009 1.668 2010 1.627 2011 1.61 2012 1.664 2013 1.67 2014 1.676 2015 1.683 2016 1.691 2017 1.699 2018 1.707 2019 1.714 2020 1.721 2021 1.728 2022 1.734 2023 1.74 2024 1.745 2030 1.774 2040 1.812 2050 1.838 2070 1.868 2080 1.879 2099 1.891