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 5.861
1852 5.821
1853 5.782
1854 5.742
1855 5.703
1856 5.663
1857 5.624
1858 5.585
1859 5.545
1860 5.506
1861 5.466
1862 5.427
1863 5.695
1864 5.963
1865 5.97
1866 5.976
1867 5.983
1868 5.99
1869 5.997
1870 6.003
1871 5.948
1872 5.893
1873 5.838
1874 5.783
1875 5.729
1876 5.674
1877 5.619
1878 5.564
1879 5.509
1880 5.454
1881 5.448
1882 5.443
1883 5.438
1884 5.432
1885 5.427
1886 5.422
1887 5.416
1888 5.411
1889 5.406
1890 5.4
1891 5.428
1892 5.456
1893 5.485
1894 5.513
1895 5.541
1896 5.569
1897 5.597
1898 5.625
1899 5.653
1900 5.682
1901 5.545
1902 5.408
1903 5.272
1904 5.135
1905 4.998
1906 5.044
1907 5.089
1908 5.135
1909 5.18
1910 5.226
1911 5.198
1912 5.169
1913 5.141
1914 5.112
1915 5.084
1916 5.056
1917 5.027
1918 4.999
1919 4.971
1920 4.942
1921 4.914
1922 4.886
1923 4.857
1924 4.829
1925 4.8
1926 4.772
1927 4.744
1928 4.715
1929 4.687
1930 4.659
1931 4.63
1932 4.602
1933 4.573
1934 4.545
1935 4.517
1936 4.488
1937 4.46
1938 4.432
1939 4.403
1940 4.375
1941 4.346
1942 4.318
1943 4.29
1944 4.261
1945 4.233
1946 4.205
1947 4.176
1948 4.148
1949 4.119
1950 4.091
1951 4.071
1952 4.03
1953 3.99
1954 3.952
1955 3.916
1956 3.88
1957 3.844
1958 3.806
1959 3.766
1960 3.72
1961 3.666
1962 3.602
1963 3.528
1964 3.446
1965 3.358
1966 3.27
1967 3.185
1968 3.108
1969 3.039
1970 2.98
1971 2.928
1972 2.88
1973 2.834
1974 2.789
1975 2.745
1976 2.703
1977 2.665
1978 2.629
1979 2.597
1980 2.567
1981 2.537
1982 2.507
1983 2.474
1984 2.44
1985 2.404
1986 2.369
1987 2.336
1988 2.305
1989 2.275
1990 2.244
1991 2.208
1992 2.164
1993 2.113
1994 2.054
1995 1.989
1996 1.92
1997 1.852
1998 1.788
1999 1.729
2000 1.678
2001 1.635
2002 1.598
2003 1.567
2004 1.54
2005 1.519
2006 1.501
2007 1.486
2008 1.473
2009 1.462
2010 1.452
2011 1.443
2012 1.436
2013 1.431
2014 1.427
2015 1.425
2016 1.425
2017 1.427
2018 1.43
2019 1.435
2020 1.442
2021 1.449
2022 1.457
2023 1.466
2024 1.474
2030 1.523
2040 1.6
2050 1.664
2070 1.756
2080 1.787
2099 1.828