Year Total
1800 5.7
1801 5.7
1802 5.7
1803 5.7
1804 5.7
1805 5.7
1806 5.7
1807 5.7
1808 5.7
1809 5.7
1810 5.7
1811 5.7
1812 5.7
1813 5.7
1814 5.7
1815 5.7
1816 5.7
1817 5.7
1818 5.7
1819 5.7
1820 5.7
1821 5.7
1822 5.7
1823 5.7
1824 5.7
1825 5.7
1826 5.7
1827 5.7
1828 5.7
1829 5.7
1830 5.7
1831 5.7
1832 5.7
1833 5.7
1834 5.7
1835 5.7
1836 5.7
1837 5.7
1838 5.7
1839 5.7
1840 5.7
1841 5.7
1842 5.7
1843 5.7
1844 5.7
1845 5.7
1846 5.7
1847 5.7
1848 5.7
1849 5.7
1850 5.7
1851 5.7
1852 5.7
1853 5.7
1854 5.7
1855 5.7
1856 5.7
1857 5.7
1858 5.7
1859 5.7
1860 5.7
1861 5.7
1862 5.7
1863 5.7
1864 5.7
1865 5.7
1866 5.7
1867 5.7
1868 5.7
1869 5.7
1870 5.7
1871 5.7
1872 5.7
1873 5.7
1874 5.7
1875 5.7
1876 5.7
1877 5.7
1878 5.7
1879 5.7
1880 5.7
1881 5.7
1882 5.7
1883 5.7
1884 5.7
1885 5.7
1886 5.7
1887 5.7
1888 5.7
1889 5.7
1890 5.7
1891 5.7
1892 5.7
1893 5.7
1894 5.7
1895 5.7
1896 5.7
1897 5.7
1898 5.7
1899 5.7
1900 5.7
1901 5.7
1902 5.7
1903 5.7
1904 5.7
1905 5.7
1906 5.7
1907 5.7
1908 5.7
1909 5.7
1910 5.7
1911 5.7
1912 5.7
1913 5.7
1914 5.7
1915 5.7
1916 5.7
1917 5.7
1918 5.7
1919 5.7
1920 5.7
1921 5.7
1922 5.7
1923 5.7
1924 5.7
1925 5.7
1926 5.73
1927 5.76
1928 5.791
1929 5.821
1930 5.851
1931 5.881
1932 5.912
1933 5.942
1934 5.972
1935 6.002
1936 6.033
1937 6.063
1938 6.093
1939 6.123
1940 6.154
1941 6.184
1942 6.214
1943 6.244
1944 6.275
1945 6.305
1946 6.335
1947 6.365
1948 6.396
1949 6.426
1950 6.456
1951 6.485
1952 6.544
1953 6.601
1954 6.656
1955 6.71
1956 6.762
1957 6.812
1958 6.86
1959 6.906
1960 6.951
1961 6.994
1962 7.036
1963 7.075
1964 7.114
1965 7.152
1966 7.189
1967 7.227
1968 7.266
1969 7.303
1970 7.339
1971 7.374
1972 7.405
1973 7.432
1974 7.452
1975 7.465
1976 7.468
1977 7.461
1978 7.445
1979 7.418
1980 7.382
1981 7.337
1982 7.284
1983 7.225
1984 7.16
1985 7.088
1986 7.01
1987 6.925
1988 6.832
1989 6.734
1990 6.629
1991 6.519
1992 6.404
1993 6.287
1994 6.169
1995 6.054
1996 5.943
1997 5.837
1998 5.737
1999 5.645
2000 5.561
2001 5.484
2002 5.413
2003 5.346
2004 5.285
2005 5.229
2006 5.181
2007 5.14
2008 5.107
2009 5.078
2010 5.05
2011 5.019
2012 4.981
2013 4.934
2014 4.878
2015 4.813
2016 4.741
2017 4.667
2018 4.595
2019 4.524
2020 4.457
2021 4.394
2022 4.332
2023 4.272
2024 4.213
2030 3.884
2040 3.435
2050 3.087
2070 2.587
2080 2.398
2099 2.125
