Year Total 1800 6.28 1801 6.264 1802 6.249 1803 6.233 1804 6.218 1805 6.202 1806 6.186 1807 6.171 1808 6.155 1809 6.139 1810 6.124 1811 6.108 1812 6.093 1813 6.077 1814 6.061 1815 6.046 1816 6.03 1817 6.03 1818 6.164 1819 6.298 1820 6.03 1821 6.298 1822 6.03 1823 5.762 1824 5.494 1825 6.834 1826 6.164 1827 6.298 1828 6.218 1829 6.137 1830 6.057 1831 5.976 1832 5.896 1833 6.432 1834 6.834 1835 5.896 1836 6.298 1837 6.566 1838 6.03 1839 6.432 1840 6.566 1841 6.164 1842 6.432 1843 6.298 1844 6.03 1845 5.36 1846 5.494 1847 5.092 1848 4.824 1849 5.494 1850 5.628 1851 5.628 1852 5.494 1853 5.628 1854 5.36 1855 4.824 1856 5.36 1857 5.762 1858 6.298 1859 6.566 1860 6.566 1861 6.432 1862 6.968 1863 6.566 1864 6.197 1865 5.829 1866 5.46 1867 5.092 1868 5.628 1869 5.628 1870 6.164 1871 5.762 1872 5.494 1873 5.762 1874 5.762 1875 5.494 1876 5.494 1877 5.226 1878 5.226 1879 5.36 1880 5.226 1881 5.092 1882 5.226 1883 5.226 1884 5.092 1885 5.36 1886 5.36 1887 5.36 1888 5.494 1889 5.762 1890 5.628 1891 5.628 1892 5.36 1893 5.628 1894 5.896 1895 5.896 1896 5.762 1897 5.628 1898 5.494 1899 5.494 1900 5.494 1901 5.36 1902 5.36 1903 5.092 1904 5.092 1905 4.958 1906 5.092 1907 5.092 1908 4.958 1909 4.958 1910 4.824 1911 4.69 1912 4.556 1913 4.69 1914 4.824 1915 3.886 1916 3.618 1917 3.216 1918 3.216 1919 4.422 1920 4.69 1921 4.395 1922 4.73 1923 4.824 1924 4.69 1925 4.744 1926 4.435 1927 4.234 1928 4.288 1929 4.261 1930 4.328 1931 4.047 1932 3.873 1933 3.551 1934 3.564 1935 3.497 1936 3.511 1937 3.337 1938 3.256 1939 3.231 1940 3.206 1941 3.181 1942 3.156 1943 3.131 1944 3.105 1945 3.08 1946 3.055 1947 3.511 1948 3.926 1949 3.94 1950 3.664 1951 3.661 1952 3.648 1953 3.618 1954 3.57 1955 3.506 1956 3.425 1957 3.329 1958 3.22 1959 3.1 1960 2.974 1961 2.845 1962 2.72 1963 2.604 1964 2.5 1965 2.413 1966 2.345 1967 2.295 1968 2.26 1969 2.239 1970 2.229 1971 2.228 1972 2.231 1973 2.236 1974 2.242 1975 2.248 1976 2.255 1977 2.266 1978 2.28 1979 2.295 1980 2.31 1981 2.319 1982 2.321 1983 2.313 1984 2.294 1985 2.266 1986 2.228 1987 2.186 1988 2.14 1989 2.091 1990 2.038 1991 1.979 1992 1.913 1993 1.84 1994 1.761 1995 1.68 1996 1.598 1997 1.519 1998 1.448 1999 1.386 2000 1.336 2001 1.3 2002 1.278 2003 1.268 2004 1.268 2005 1.278 2006 1.294 2007 1.313 2008 1.334 2009 1.354 2010 1.372 2011 1.388 2012 1.402 2013 1.417 2014 1.431 2015 1.444 2016 1.457 2017 1.469 2018 1.481 2019 1.493 2020 1.505 2021 1.516 2022 1.527 2023 1.537 2024 1.547 2030 1.603 2040 1.675 2050 1.727 2070 1.794 2080 1.818 2099 1.847