Year Total
1800 5.13
1801 5.13
1802 5.13
1803 5.13
1804 5.13
1805 5.13
1806 5.13
1807 5.13
1808 5.13
1809 5.13
1810 5.13
1811 5.13
1812 5.13
1813 5.13
1814 5.13
1815 5.13
1816 5.13
1817 5.13
1818 5.13
1819 5.13
1820 5.13
1821 5.13
1822 5.13
1823 5.13
1824 5.13
1825 5.13
1826 5.13
1827 5.13
1828 5.13
1829 5.13
1830 5.13
1831 5.13
1832 5.13
1833 5.13
1834 5.13
1835 5.13
1836 5.13
1837 5.13
1838 5.13
1839 5.13
1840 5.13
1841 5.13
1842 5.13
1843 5.13
1844 5.13
1845 5.13
1846 5.13
1847 5.13
1848 5.13
1849 5.13
1850 5.13
1851 5.13
1852 5.13
1853 5.13
1854 5.13
1855 5.13
1856 5.13
1857 5.13
1858 5.13
1859 5.13
1860 5.13
1861 5.13
1862 5.13
1863 5.13
1864 5.13
1865 5.13
1866 5.13
1867 5.13
1868 5.13
1869 5.13
1870 5.13
1871 5.06
1872 4.991
1873 4.921
1874 4.851
1875 4.781
1876 4.712
1877 4.642
1878 4.572
1879 4.502
1880 5.132
1881 5.127
1882 5.121
1883 5.116
1884 5.111
1885 5.105
1886 5.119
1887 5.132
1888 5.146
1889 5.159
1890 5.172
1891 5.178
1892 5.183
1893 5.188
1894 5.194
1895 5.199
1896 5.116
1897 5.033
1898 4.95
1899 4.867
1900 4.784
1901 4.883
1902 4.982
1903 5.081
1904 5.18
1905 5.28
1906 5.255
1907 5.231
1908 5.207
1909 5.183
1910 5.159
1911 5.079
1912 4.998
1913 4.918
1914 4.837
1915 4.757
1916 4.934
1917 5.111
1918 5.288
1919 5.465
1920 5.641
1921 5.448
1922 5.255
1923 5.063
1924 4.87
1925 4.677
1926 4.746
1927 4.816
1928 4.886
1929 4.955
1930 5.025
1931 4.934
1932 4.843
1933 4.752
1934 4.661
1935 4.569
1936 4.481
1937 4.393
1938 4.304
1939 4.216
1940 4.127
1941 4.106
1942 4.084
1943 4.063
1944 4.041
1945 4.02
1946 3.976
1947 3.933
1948 3.889
1949 3.846
1950 3.802
1951 3.912
1952 4.128
1953 4.331
1954 4.522
1955 4.7
1956 4.867
1957 5.022
1958 5.165
1959 5.298
1960 5.419
1961 5.529
1962 5.627
1963 5.711
1964 5.775
1965 5.815
1966 5.821
1967 5.79
1968 5.722
1969 5.617
1970 5.477
1971 5.305
1972 5.108
1973 4.899
1974 4.685
1975 4.478
1976 4.286
1977 4.115
1978 3.965
1979 3.839
1980 3.733
1981 3.643
1982 3.559
1983 3.477
1984 3.394
1985 3.308
1986 3.224
1987 3.143
1988 3.07
1989 3.005
1990 2.948
1991 2.899
1992 2.855
1993 2.815
1994 2.778
1995 2.744
1996 2.712
1997 2.683
1998 2.655
1999 2.629
2000 2.603
2001 2.578
2002 2.552
2003 2.525
2004 2.498
2005 2.47
2006 2.442
2007 2.414
2008 2.387
2009 2.36
2010 2.334
2011 2.309
2012 2.284
2013 2.26
2014 2.237
2015 2.214
2016 2.192
2017 2.17
2018 2.15
2019 2.13
2020 2.111
2021 2.094
2022 2.077
2023 2.06
2024 2.045
2030 1.966
2040 1.884
2050 1.847
2070 1.835
2080 1.843
2099 1.863