Year Total
1800 7.5
1801 7.5
1802 7.5
1803 7.5
1804 7.5
1805 7.5
1806 7.5
1807 7.5
1808 7.5
1809 7.5
1810 7.5
1811 7.5
1812 7.5
1813 7.5
1814 7.5
1815 7.5
1816 7.5
1817 7.5
1818 7.5
1819 7.5
1820 7.5
1821 7.5
1822 7.5
1823 7.5
1824 7.5
1825 7.5
1826 7.5
1827 7.5
1828 7.5
1829 7.5
1830 7.5
1831 7.5
1832 7.5
1833 7.5
1834 7.5
1835 7.5
1836 7.5
1837 7.5
1838 7.5
1839 7.5
1840 7.5
1841 7.5
1842 7.5
1843 7.5
1844 7.5
1845 7.5
1846 7.5
1847 7.5
1848 7.5
1849 7.5
1850 7.5
1851 7.5
1852 7.5
1853 7.5
1854 7.5
1855 7.5
1856 7.5
1857 7.5
1858 7.5
1859 7.5
1860 7.5
1861 7.5
1862 7.5
1863 7.5
1864 7.5
1865 7.5
1866 7.5
1867 7.5
1868 7.5
1869 7.5
1870 7.5
1871 7.5
1872 7.5
1873 7.5
1874 7.5
1875 7.5
1876 7.5
1877 7.5
1878 7.5
1879 7.5
1880 7.5
1881 7.464
1882 7.428
1883 7.393
1884 7.357
1885 7.321
1886 7.285
1887 7.25
1888 7.214
1889 7.178
1890 7.142
1891 7.106
1892 7.071
1893 7.035
1894 6.999
1895 6.963
1896 6.928
1897 6.892
1898 6.826
1899 6.76
1900 6.694
1901 6.628
1902 6.561
1903 6.495
1904 6.429
1905 6.363
1906 6.297
1907 6.231
1908 6.165
1909 6.099
1910 6.033
1911 5.967
1912 5.901
1913 5.835
1914 5.769
1915 5.703
1916 5.637
1917 5.571
1918 5.504
1919 5.438
1920 5.372
1921 5.306
1922 5.24
1923 5.174
1924 5.108
1925 5.042
1926 4.976
1927 4.844
1928 4.711
1929 4.579
1930 4.446
1931 4.314
1932 4.182
1933 4.049
1934 3.917
1935 3.784
1936 3.652
1937 3.52
1938 3.387
1939 3.255
1940 3.122
1941 3.082
1942 3.042
1943 3.001
1944 2.961
1945 2.92
1946 2.88
1947 2.839
1948 2.799
1949 2.758
1950 2.718
1951 2.754
1952 2.814
1953 2.846
1954 2.852
1955 2.832
1956 2.787
1957 2.718
1958 2.629
1959 2.527
1960 2.418
1961 2.31
1962 2.212
1963 2.131
1964 2.07
1965 2.032
1966 2.015
1967 2.014
1968 2.021
1969 2.034
1970 2.047
1971 2.056
1972 2.059
1973 2.056
1974 2.046
1975 2.031
1976 2.014
1977 1.999
1978 1.988
1979 1.982
1980 1.984
1981 1.993
1982 2.008
1983 2.026
1984 2.041
1985 2.05
1986 2.048
1987 2.029
1988 1.994
1989 1.942
1990 1.872
1991 1.788
1992 1.694
1993 1.597
1994 1.501
1995 1.41
1996 1.33
1997 1.261
1998 1.204
1999 1.163
2000 1.139
2001 1.135
2002 1.149
2003 1.176
2004 1.214
2005 1.258
2006 1.304
2007 1.347
2008 1.384
2009 1.414
2010 1.435
2011 1.45
2012 1.46
2013 1.47
2014 1.48
2015 1.491
2016 1.502
2017 1.514
2018 1.525
2019 1.536
2020 1.546
2021 1.557
2022 1.566
2023 1.576
2024 1.586
2030 1.637
2040 1.703
2050 1.751
2070 1.812
2080 1.831
2099 1.859