Year Total
1800 5.94
1801 5.94
1802 5.94
1803 5.94
1804 5.94
1805 5.94
1806 5.94
1807 5.94
1808 5.94
1809 5.94
1810 5.939
1811 5.939
1812 5.939
1813 5.939
1814 5.939
1815 5.939
1816 5.939
1817 5.939
1818 5.939
1819 5.939
1820 5.939
1821 5.939
1822 5.939
1823 5.939
1824 5.939
1825 5.939
1826 5.939
1827 5.939
1828 5.939
1829 5.938
1830 5.938
1831 5.938
1832 5.938
1833 5.938
1834 5.938
1835 5.938
1836 5.938
1837 5.938
1838 5.938
1839 5.938
1840 5.938
1841 5.938
1842 5.938
1843 5.938
1844 5.938
1845 5.938
1846 5.938
1847 5.938
1848 5.937
1849 5.937
1850 5.937
1851 5.937
1852 5.937
1853 5.937
1854 5.937
1855 5.937
1856 5.937
1857 5.937
1858 5.937
1859 5.937
1860 5.937
1861 5.937
1862 5.937
1863 5.937
1864 5.937
1865 5.937
1866 5.937
1867 5.936
1868 5.936
1869 5.936
1870 5.936
1871 5.936
1872 5.936
1873 5.942
1874 5.947
1875 5.952
1876 5.958
1877 5.963
1878 5.917
1879 5.872
1880 5.826
1881 5.781
1882 5.735
1883 5.767
1884 5.8
1885 5.832
1886 5.864
1887 5.896
1888 5.829
1889 5.762
1890 5.695
1891 5.628
1892 5.561
1893 5.542
1894 5.523
1895 5.505
1896 5.486
1897 5.467
1898 5.416
1899 5.365
1900 5.314
1901 5.264
1902 5.213
1903 5.156
1904 5.1
1905 5.044
1906 4.987
1907 4.931
1908 4.856
1909 4.781
1910 4.706
1911 4.631
1912 4.556
1913 4.13
1914 3.704
1915 3.278
1916 2.852
1917 2.425
1918 3.034
1919 3.642
1920 4.25
1921 4.96
1922 4.67
1923 4.55
1924 4.25
1925 4.01
1926 3.98
1927 3.76
1928 3.69
1929 3.48
1930 3.49
1931 3.33
1932 3.29
1933 2.96
1934 2.86
1935 2.8
1936 2.79
1937 2.77
1938 2.802
1939 2.835
1940 2.867
1941 2.9
1942 2.932
1943 2.965
1944 2.997
1945 3.03
1946 3.112
1947 3.219
1948 3.262
1949 3.264
1950 3.592
1951 3.571
1952 3.527
1953 3.481
1954 3.433
1955 3.382
1956 3.329
1957 3.273
1958 3.214
1959 3.152
1960 3.085
1961 3.013
1962 2.937
1963 2.858
1964 2.779
1965 2.703
1966 2.637
1967 2.582
1968 2.541
1969 2.514
1970 2.499
1971 2.495
1972 2.497
1973 2.5
1974 2.501
1975 2.496
1976 2.484
1977 2.465
1978 2.44
1979 2.409
1980 2.374
1981 2.338
1982 2.304
1983 2.274
1984 2.246
1985 2.221
1986 2.195
1987 2.166
1988 2.131
1989 2.088
1990 2.035
1991 1.97
1992 1.895
1993 1.811
1994 1.722
1995 1.631
1996 1.541
1997 1.458
1998 1.383
1999 1.321
2000 1.274
2001 1.243
2002 1.227
2003 1.223
2004 1.229
2005 1.244
2006 1.264
2007 1.286
2008 1.309
2009 1.331
2010 1.35
2011 1.367
2012 1.382
2013 1.396
2014 1.411
2015 1.425
2016 1.438
2017 1.451
2018 1.464
2019 1.476
2020 1.488
2021 1.5
2022 1.511
2023 1.522
2024 1.533
2030 1.591
2040 1.665
2050 1.72
2070 1.792
2080 1.814
2099 1.847