Year Total
1800 5.9
1801 5.9
1802 5.9
1803 5.9
1804 5.9
1805 5.9
1806 5.9
1807 5.9
1808 5.9
1809 5.9
1810 5.9
1811 5.9
1812 5.9
1813 5.9
1814 5.9
1815 5.9
1816 5.9
1817 5.9
1818 5.9
1819 5.9
1820 5.9
1821 5.9
1822 5.9
1823 5.9
1824 5.9
1825 5.9
1826 5.9
1827 5.9
1828 5.9
1829 5.9
1830 5.9
1831 5.9
1832 5.9
1833 5.9
1834 5.9
1835 5.9
1836 5.9
1837 5.9
1838 5.9
1839 5.9
1840 5.9
1841 5.9
1842 5.9
1843 5.9
1844 5.9
1845 5.9
1846 5.9
1847 5.9
1848 5.9
1849 5.9
1850 5.9
1851 5.858
1852 5.817
1853 5.775
1854 5.733
1855 5.692
1856 5.65
1857 5.608
1858 5.567
1859 5.525
1860 5.483
1861 5.442
1862 5.4
1863 5.396
1864 5.392
1865 5.388
1866 5.383
1867 5.379
1868 5.375
1869 5.371
1870 5.367
1871 5.362
1872 5.358
1873 5.354
1874 5.35
1875 5.346
1876 5.342
1877 5.338
1878 5.333
1879 5.329
1880 5.325
1881 5.321
1882 5.317
1883 5.313
1884 5.308
1885 5.304
1886 5.3
1887 5.296
1888 5.292
1889 5.288
1890 5.283
1891 5.279
1892 5.275
1893 5.271
1894 5.267
1895 5.263
1896 5.258
1897 5.254
1898 5.25
1899 5.246
1900 5.242
1901 5.238
1902 5.233
1903 5.229
1904 5.225
1905 5.221
1906 5.217
1907 5.213
1908 5.208
1909 5.204
1910 5.2
1911 5.172
1912 5.144
1913 5.116
1914 5.088
1915 5.06
1916 5.032
1917 5.004
1918 4.976
1919 4.948
1920 4.92
1921 4.892
1922 4.864
1923 4.836
1924 4.808
1925 4.78
1926 4.752
1927 4.724
1928 4.696
1929 4.668
1930 4.641
1931 4.613
1932 4.585
1933 4.557
1934 4.529
1935 4.501
1936 4.473
1937 4.445
1938 4.417
1939 4.389
1940 4.361
1941 4.333
1942 4.305
1943 4.277
1944 4.249
1945 4.221
1946 4.193
1947 4.165
1948 4.137
1949 4.109
1950 4.081
1951 4.073
1952 4.052
1953 4.02
1954 3.978
1955 3.926
1956 3.863
1957 3.791
1958 3.709
1959 3.619
1960 3.521
1961 3.417
1962 3.308
1963 3.199
1964 3.093
1965 2.994
1966 2.906
1967 2.833
1968 2.773
1969 2.726
1970 2.689
1971 2.657
1972 2.625
1973 2.59
1974 2.549
1975 2.503
1976 2.453
1977 2.402
1978 2.354
1979 2.309
1980 2.266
1981 2.225
1982 2.185
1983 2.145
1984 2.104
1985 2.063
1986 2.022
1987 1.98
1988 1.94
1989 1.902
1990 1.869
1991 1.843
1992 1.825
1993 1.815
1994 1.813
1995 1.815
1996 1.82
1997 1.824
1998 1.826
1999 1.823
2000 1.815
2001 1.804
2002 1.792
2003 1.779
2004 1.767
2005 1.756
2006 1.745
2007 1.734
2008 1.722
2009 1.71
2010 1.698
2011 1.687
2012 1.676
2013 1.666
2014 1.658
2015 1.651
2016 1.646
2017 1.642
2018 1.64
2019 1.639
2020 1.639
2021 1.64
2022 1.642
2023 1.644
2024 1.646
2030 1.661
2040 1.693
2050 1.728
2070 1.789
2080 1.812
2099 1.844