Year Total
1800 5.68
1801 5.68
1802 5.68
1803 5.68
1804 5.68
1805 5.68
1806 5.68
1807 5.68
1808 5.68
1809 5.68
1810 5.68
1811 5.68
1812 5.68
1813 5.68
1814 5.68
1815 5.68
1816 5.68
1817 5.68
1818 5.68
1819 5.68
1820 5.68
1821 5.68
1822 5.68
1823 5.68
1824 5.68
1825 5.68
1826 5.68
1827 5.68
1828 5.68
1829 5.68
1830 5.68
1831 5.68
1832 5.68
1833 5.68
1834 5.68
1835 5.68
1836 5.68
1837 5.68
1838 5.68
1839 5.68
1840 5.68
1841 5.68
1842 5.68
1843 5.68
1844 5.68
1845 5.68
1846 5.68
1847 5.68
1848 5.68
1849 5.68
1850 5.68
1851 5.68
1852 5.68
1853 5.68
1854 5.68
1855 5.68
1856 5.68
1857 5.68
1858 5.68
1859 5.68
1860 5.68
1861 5.68
1862 5.68
1863 5.68
1864 5.68
1865 5.68
1866 5.68
1867 5.68
1868 5.68
1869 5.68
1870 5.68
1871 5.68
1872 5.68
1873 5.68
1874 5.68
1875 5.68
1876 5.681
1877 5.681
1878 5.682
1879 5.683
1880 5.683
1881 5.684
1882 5.495
1883 5.939
1884 6.166
1885 5.457
1886 5.156
1887 6.101
1888 5.886
1889 5.031
1890 5.777
1891 5.693
1892 5.312
1893 5.369
1894 5.522
1895 5.186
1896 5.119
1897 5.939
1898 6.022
1899 4.924
1900 5.791
1901 5.477
1902 5.501
1903 5.588
1904 5.256
1905 4.362
1906 5.548
1907 5.107
1908 6.232
1909 5.7
1910 5.928
1911 5.761
1912 5.046
1913 5.852
1914 5.761
1915 5.67
1916 6.065
1917 6.293
1918 6.232
1919 5.457
1920 5.548
1921 6.171
1922 5.943
1923 5.882
1924 5.7
1925 6.065
1926 6.384
1927 6.232
1928 6.369
1929 5.822
1930 5.928
1931 5.685
1932 5.624
1933 5.867
1934 5.654
1935 5.229
1936 5.183
1937 5.746
1938 5.457
1939 5.472
1940 5.442
1941 5.548
1942 5.578
1943 6.171
1944 5.639
1945 5.578
1946 5.837
1947 5.989
1948 6.034
1949 5.943
1950 6.034
1951 6.05
1952 5.898
1953 5.857
1954 5.893
1955 5.9
1956 5.876
1957 5.825
1958 5.749
1959 5.652
1960 5.541
1961 5.421
1962 5.299
1963 5.18
1964 5.067
1965 4.959
1966 4.849
1967 4.734
1968 4.609
1969 4.477
1970 4.342
1971 4.208
1972 4.083
1973 3.97
1974 3.87
1975 3.783
1976 3.705
1977 3.633
1978 3.562
1979 3.488
1980 3.408
1981 3.319
1982 3.223
1983 3.12
1984 3.012
1985 2.904
1986 2.8
1987 2.703
1988 2.617
1989 2.544
1990 2.483
1991 2.433
1992 2.39
1993 2.353
1994 2.32
1995 2.291
1996 2.268
1997 2.251
1998 2.24
1999 2.236
2000 2.237
2001 2.243
2002 2.252
2003 2.263
2004 2.274
2005 2.286
2006 2.298
2007 2.311
2008 2.323
2009 2.335
2010 2.343
2011 2.347
2012 2.346
2013 2.339
2014 2.327
2015 2.309
2016 2.289
2017 2.266
2018 2.244
2019 2.223
2020 2.203
2021 2.184
2022 2.167
2023 2.15
2024 2.134
2030 2.049
2040 1.95
2050 1.895
2070 1.861
2080 1.863
2099 1.873