Year Total
1800 5.78
1801 5.78
1802 5.78
1803 5.78
1804 5.78
1805 5.78
1806 5.78
1807 5.78
1808 5.78
1809 5.78
1810 5.78
1811 5.78
1812 5.78
1813 5.78
1814 5.78
1815 5.78
1816 5.78
1817 5.78
1818 5.78
1819 5.78
1820 5.78
1821 5.78
1822 5.78
1823 5.78
1824 5.78
1825 5.78
1826 5.78
1827 5.78
1828 5.78
1829 5.78
1830 5.78
1831 5.78
1832 5.78
1833 5.78
1834 5.78
1835 5.78
1836 5.78
1837 5.78
1838 5.78
1839 5.78
1840 5.78
1841 5.78
1842 5.78
1843 5.78
1844 5.78
1845 5.78
1846 5.78
1847 5.78
1848 5.78
1849 5.78
1850 5.78
1851 5.78
1852 5.78
1853 5.78
1854 5.78
1855 5.78
1856 5.78
1857 5.78
1858 5.78
1859 5.78
1860 5.78
1861 5.78
1862 5.78
1863 5.78
1864 5.78
1865 5.78
1866 5.78
1867 5.78
1868 5.78
1869 5.78
1870 5.78
1871 5.78
1872 5.78
1873 5.78
1874 5.78
1875 5.78
1876 5.78
1877 5.78
1878 5.78
1879 5.78
1880 5.78
1881 5.78
1882 5.78
1883 5.78
1884 5.78
1885 5.78
1886 5.78
1887 5.78
1888 5.78
1889 5.78
1890 5.78
1891 5.583
1892 5.387
1893 5.19
1894 4.993
1895 4.797
1896 4.6
1897 4.403
1898 4.207
1899 4.01
1900 4.549
1901 5.089
1902 5.628
1903 5.666
1904 5.705
1905 5.743
1906 5.782
1907 5.82
1908 5.817
1909 5.813
1910 5.81
1911 5.807
1912 5.803
1913 5.8
1914 5.797
1915 5.793
1916 5.79
1917 5.787
1918 5.783
1919 5.78
1920 5.673
1921 5.567
1922 5.46
1923 5.353
1924 5.247
1925 5.14
1926 5.033
1927 4.927
1928 4.82
1929 4.713
1930 4.607
1931 4.5
1932 4.458
1933 4.417
1934 4.375
1935 4.333
1936 4.292
1937 4.25
1938 4.208
1939 4.167
1940 4.125
1941 4.083
1942 4.042
1943 4
1944 4.108
1945 4.217
1946 4.325
1947 4.433
1948 4.541
1949 4.65
1950 4.758
1951 4.564
1952 4.218
1953 3.956
1954 3.778
1955 3.682
1956 3.665
1957 3.721
1958 3.839
1959 4.001
1960 4.182
1961 4.36
1962 4.509
1963 4.606
1964 4.643
1965 4.617
1966 4.54
1967 4.433
1968 4.312
1969 4.18
1970 4.033
1971 3.857
1972 3.646
1973 3.4
1974 3.127
1975 2.844
1976 2.573
1977 2.332
1978 2.134
1979 1.987
1980 1.892
1981 1.843
1982 1.826
1983 1.825
1984 1.832
1985 1.837
1986 1.836
1987 1.827
1988 1.81
1989 1.785
1990 1.752
1991 1.715
1992 1.68
1993 1.65
1994 1.628
1995 1.614
1996 1.609
1997 1.61
1998 1.615
1999 1.621
2000 1.626
2001 1.626
2002 1.621
2003 1.61
2004 1.592
2005 1.57
2006 1.545
2007 1.52
2008 1.498
2009 1.48
2010 1.467
2011 1.459
2012 1.453
2013 1.449
2014 1.447
2015 1.447
2016 1.448
2017 1.451
2018 1.455
2019 1.461
2020 1.468
2021 1.475
2022 1.483
2023 1.492
2024 1.5
2030 1.547
2040 1.618
2050 1.679
2070 1.766
2080 1.794
2099 1.832