Year Total
1800 6.41
1801 6.41
1802 6.41
1803 6.41
1804 6.41
1805 6.41
1806 6.41
1807 6.41
1808 6.41
1809 6.41
1810 6.41
1811 6.41
1812 6.41
1813 6.41
1814 6.41
1815 6.41
1816 6.41
1817 6.41
1818 6.41
1819 6.41
1820 6.41
1821 6.41
1822 6.41
1823 6.41
1824 6.41
1825 6.41
1826 6.41
1827 6.41
1828 6.41
1829 6.41
1830 6.41
1831 6.41
1832 6.41
1833 6.41
1834 6.41
1835 6.41
1836 6.41
1837 6.41
1838 6.41
1839 6.41
1840 6.41
1841 6.41
1842 6.41
1843 6.41
1844 6.41
1845 6.41
1846 6.41
1847 6.41
1848 6.41
1849 6.41
1850 6.41
1851 6.41
1852 6.41
1853 6.41
1854 6.41
1855 6.41
1856 6.41
1857 6.41
1858 6.41
1859 6.41
1860 6.41
1861 6.41
1862 6.41
1863 6.41
1864 6.41
1865 6.41
1866 6.41
1867 6.41
1868 6.41
1869 6.41
1870 6.41
1871 6.41
1872 6.41
1873 6.41
1874 6.41
1875 6.41
1876 6.41
1877 6.41
1878 6.41
1879 6.41
1880 6.41
1881 6.41
1882 6.41
1883 6.41
1884 6.41
1885 6.41
1886 6.41
1887 6.41
1888 6.41
1889 6.41
1890 6.41
1891 6.41
1892 6.41
1893 6.41
1894 6.41
1895 6.41
1896 6.41
1897 6.41
1898 6.41
1899 6.41
1900 6.41
1901 6.41
1902 6.41
1903 6.41
1904 6.41
1905 6.41
1906 6.41
1907 6.41
1908 6.41
1909 6.41
1910 6.41
1911 6.41
1912 6.41
1913 6.41
1914 6.41
1915 6.41
1916 6.41
1917 6.41
1918 6.41
1919 6.41
1920 6.41
1921 6.41
1922 6.41
1923 6.41
1924 6.41
1925 6.41
1926 6.363
1927 6.315
1928 6.268
1929 6.22
1930 6.173
1931 6.125
1932 6.078
1933 6.03
1934 5.983
1935 5.936
1936 5.888
1937 5.841
1938 5.793
1939 5.746
1940 5.698
1941 5.651
1942 5.604
1943 5.556
1944 5.509
1945 5.461
1946 5.414
1947 5.366
1948 5.319
1949 5.271
1950 5.224
1951 5.223
1952 5.223
1953 5.223
1954 5.223
1955 5.223
1956 5.223
1957 5.223
1958 5.224
1959 5.224
1960 5.224
1961 5.224
1962 5.223
1963 5.222
1964 5.22
1965 5.222
1966 5.234
1967 5.255
1968 5.28
1969 5.302
1970 5.304
1971 5.264
1972 5.173
1973 5.027
1974 4.83
1975 4.596
1976 4.345
1977 4.1
1978 3.881
1979 3.696
1980 3.551
1981 3.44
1982 3.351
1983 3.274
1984 3.205
1985 3.144
1986 3.093
1987 3.053
1988 3.024
1989 3.002
1990 2.983
1991 2.961
1992 2.93
1993 2.889
1994 2.837
1995 2.772
1996 2.697
1997 2.617
1998 2.538
1999 2.461
2000 2.393
2001 2.337
2002 2.294
2003 2.263
2004 2.245
2005 2.235
2006 2.231
2007 2.227
2008 2.221
2009 2.209
2010 2.193
2011 2.172
2012 2.149
2013 2.127
2014 2.106
2015 2.086
2016 2.068
2017 2.052
2018 2.036
2019 2.022
2020 2.008
2021 1.995
2022 1.983
2023 1.971
2024 1.96
2030 1.904
2040 1.853
2050 1.838
2070 1.843
2080 1.852
2099 1.87