Year Total 1800 5.53 1801 5.53 1802 5.53 1803 5.53 1804 5.53 1805 5.53 1806 5.53 1807 5.53 1808 5.53 1809 5.53 1810 5.53 1811 5.53 1812 5.53 1813 5.53 1814 5.53 1815 5.53 1816 5.53 1817 5.53 1818 5.53 1819 5.53 1820 5.53 1821 5.53 1822 5.53 1823 5.53 1824 5.53 1825 5.53 1826 5.53 1827 5.53 1828 5.53 1829 5.53 1830 5.53 1831 5.53 1832 5.53 1833 5.53 1834 5.53 1835 5.53 1836 5.53 1837 5.53 1838 5.53 1839 5.53 1840 5.53 1841 5.53 1842 5.53 1843 5.53 1844 5.53 1845 5.53 1846 5.53 1847 5.53 1848 5.53 1849 5.53 1850 5.53 1851 5.53 1852 5.53 1853 5.53 1854 5.53 1855 5.53 1856 5.53 1857 5.53 1858 5.53 1859 5.53 1860 5.53 1861 5.53 1862 5.53 1863 5.53 1864 5.53 1865 5.53 1866 5.53 1867 5.53 1868 5.53 1869 5.53 1870 5.53 1871 5.53 1872 5.53 1873 5.53 1874 5.53 1875 5.53 1876 5.53 1877 5.53 1878 5.53 1879 5.53 1880 5.53 1881 5.53 1882 5.53 1883 5.53 1884 5.53 1885 5.53 1886 5.53 1887 5.53 1888 5.53 1889 5.53 1890 5.53 1891 5.53 1892 5.53 1893 5.53 1894 5.53 1895 5.53 1896 5.53 1897 5.53 1898 5.53 1899 5.53 1900 5.53 1901 5.53 1902 5.53 1903 5.53 1904 5.53 1905 5.53 1906 5.53 1907 5.53 1908 5.53 1909 5.53 1910 5.53 1911 5.53 1912 5.53 1913 5.53 1914 5.53 1915 5.53 1916 5.53 1917 5.53 1918 5.53 1919 5.53 1920 5.53 1921 5.53 1922 5.53 1923 5.53 1924 5.53 1925 5.53 1926 5.522 1927 5.515 1928 5.507 1929 5.499 1930 5.492 1931 5.484 1932 5.476 1933 5.469 1934 5.461 1935 5.453 1936 5.446 1937 5.438 1938 5.43 1939 5.422 1940 5.415 1941 5.407 1942 5.399 1943 5.392 1944 5.384 1945 5.376 1946 5.369 1947 5.361 1948 5.353 1949 5.346 1950 5.338 1951 5.529 1952 5.886 1953 6.191 1954 6.445 1955 6.646 1956 6.798 1957 6.901 1958 6.959 1959 6.979 1960 6.967 1961 6.931 1962 6.88 1963 6.821 1964 6.758 1965 6.688 1966 6.607 1967 6.508 1968 6.387 1969 6.249 1970 6.101 1971 5.953 1972 5.813 1973 5.686 1974 5.571 1975 5.462 1976 5.347 1977 5.216 1978 5.064 1979 4.891 1980 4.703 1981 4.512 1982 4.328 1983 4.161 1984 4.014 1985 3.888 1986 3.78 1987 3.683 1988 3.589 1989 3.495 1990 3.398 1991 3.298 1992 3.195 1993 3.09 1994 2.983 1995 2.873 1996 2.76 1997 2.644 1998 2.528 1999 2.416 2000 2.313 2001 2.224 2002 2.152 2003 2.098 2004 2.062 2005 2.04 2006 2.029 2007 2.022 2008 2.013 2009 2 2010 1.982 2011 1.96 2012 1.936 2013 1.912 2014 1.89 2015 1.868 2016 1.848 2017 1.83 2018 1.813 2019 1.796 2020 1.781 2021 1.767 2022 1.754 2023 1.742 2024 1.731 2030 1.683 2040 1.661 2050 1.683 2070 1.751 2080 1.782 2099 1.825