Year Total 1800 5.22 1801 5.22 1802 5.22 1803 5.22 1804 5.22 1805 5.22 1806 5.22 1807 5.22 1808 5.22 1809 5.22 1810 5.22 1811 5.22 1812 5.22 1813 5.22 1814 5.22 1815 5.22 1816 5.22 1817 5.22 1818 5.22 1819 5.22 1820 5.22 1821 5.22 1822 5.22 1823 5.22 1824 5.22 1825 5.22 1826 5.22 1827 5.22 1828 5.22 1829 5.22 1830 5.22 1831 5.22 1832 5.22 1833 5.22 1834 5.22 1835 5.22 1836 5.22 1837 5.22 1838 5.22 1839 5.22 1840 5.22 1841 5.22 1842 5.22 1843 5.22 1844 5.22 1845 5.22 1846 5.22 1847 5.22 1848 5.22 1849 5.22 1850 5.22 1851 5.081 1852 4.941 1853 4.802 1854 4.663 1855 4.524 1856 4.384 1857 4.245 1858 4.106 1859 3.966 1860 4.234 1861 4.288 1862 4.288 1863 4.074 1864 4.824 1865 4.636 1866 4.194 1867 4.248 1868 4.476 1869 4.556 1870 4.61 1871 4.489 1872 4.288 1873 4.355 1874 4.596 1875 5.199 1876 4.958 1877 4.744 1878 4.221 1879 4.971 1880 5.052 1881 5.561 1882 5.414 1883 5.735 1884 5.548 1885 5.775 1886 5.655 1887 5.494 1888 5.682 1889 5.44 1890 5.159 1891 5.668 1892 5.226 1893 5.427 1894 5.481 1895 5.668 1896 5.454 1897 5.749 1898 4.918 1899 5.628 1900 5.199 1901 5.266 1902 5.226 1903 5.373 1904 5.373 1905 5.132 1906 5.347 1907 5.507 1908 5.4 1909 5.507 1910 5.266 1911 5.668 1912 5.816 1913 5.641 1914 5.641 1915 5.427 1916 4.841 1917 4.255 1918 3.668 1919 3.082 1920 4.516 1921 5.119 1922 4.985 1923 4.878 1924 4.918 1925 4.717 1926 4.663 1927 4.569 1928 4.65 1929 4.569 1930 4.69 1931 4.462 1932 4.811 1933 4.301 1934 4.342 1935 4.114 1936 4.221 1937 4.127 1938 3.966 1939 3.792 1940 3.551 1941 3.082 1942 2.868 1943 3.136 1944 2.908 1945 2.626 1946 3.323 1947 3.136 1948 3.203 1949 3.698 1950 3.58 1951 3.461 1952 3.342 1953 3.223 1954 3.105 1955 2.986 1956 2.867 1957 2.726 1958 2.584 1959 2.407 1960 2.319 1961 2.159 1962 2.018 1963 1.996 1964 1.947 1965 1.887 1966 1.887 1967 3.646 1968 3.611 1969 3.186 1970 2.867 1971 2.655 1972 2.531 1973 2.425 1974 2.708 1975 2.619 1976 2.566 1977 2.584 1978 2.513 1979 2.496 1980 2.442 1981 2.354 1982 2.159 1983 1.996 1984 2.177 1985 2.265 1986 2.372 1987 2.407 1988 2.301 1989 2.177 1990 1.812 1991 1.558 1992 1.487 1993 1.434 1994 1.416 1995 1.354 1996 1.318 1997 1.298 1998 1.285 1999 1.278 2000 1.274 2001 1.272 2002 1.274 2003 1.279 2004 1.288 2005 1.299 2006 1.311 2007 1.325 2008 1.34 2009 1.356 2010 1.372 2011 1.387 2012 1.402 2013 1.417 2014 1.432 2015 1.445 2016 1.459 2017 1.471 2018 1.484 2019 1.496 2020 1.507 2021 1.518 2022 1.529 2023 1.539 2024 1.55 2030 1.605 2040 1.678 2050 1.73 2070 1.798 2080 1.821 2099 1.849