Year Total
1800 5.47
1801 5.47
1802 5.47
1803 5.47
1804 5.47
1805 5.47
1806 5.47
1807 5.47
1808 5.47
1809 5.47
1810 5.47
1811 5.47
1812 5.47
1813 5.47
1814 5.47
1815 5.47
1816 5.47
1817 5.47
1818 5.47
1819 5.47
1820 5.47
1821 5.47
1822 5.47
1823 5.47
1824 5.47
1825 5.47
1826 5.47
1827 5.47
1828 5.47
1829 5.47
1830 5.47
1831 5.47
1832 5.47
1833 5.47
1834 5.47
1835 5.47
1836 5.47
1837 5.47
1838 5.47
1839 5.47
1840 5.47
1841 5.47
1842 5.47
1843 5.47
1844 5.47
1845 5.47
1846 5.47
1847 5.47
1848 5.47
1849 5.47
1850 5.47
1851 5.424
1852 5.378
1853 5.332
1854 5.286
1855 5.24
1856 5.194
1857 5.148
1858 5.102
1859 5.056
1860 5.01
1861 4.964
1862 4.932
1863 4.9
1864 4.904
1865 4.908
1866 4.912
1867 4.916
1868 4.92
1869 4.912
1870 4.904
1871 4.896
1872 4.888
1873 4.88
1874 4.888
1875 4.896
1876 4.904
1877 4.912
1878 4.92
1879 4.948
1880 4.976
1881 5.004
1882 5.032
1883 5.06
1884 5.052
1885 5.044
1886 5.036
1887 5.028
1888 5.02
1889 4.984
1890 4.948
1891 4.912
1892 4.876
1893 4.84
1894 4.79
1895 4.74
1896 4.69
1897 4.64
1898 4.59
1899 4.558
1900 4.526
1901 4.494
1902 4.462
1903 4.43
1904 4.438
1905 4.446
1906 4.454
1907 4.462
1908 4.47
1909 4.432
1910 4.394
1911 4.356
1912 4.318
1913 4.28
1914 4.04
1915 3.8
1916 3.56
1917 3.32
1918 3.08
1919 3.244
1920 3.408
1921 3.572
1922 3.736
1923 3.9
1924 3.812
1925 3.724
1926 3.636
1927 3.548
1928 3.46
1929 3.42
1930 3.38
1931 3.21
1932 3.06
1933 3.04
1934 3
1935 2.98
1936 2.87
1937 2.93
1938 3.05
1939 3.07
1940 3.07
1941 2.74
1942 2.69
1943 2.61
1944 2.39
1945 2.37
1946 3.01
1947 2.89
1948 2.83
1949 2.62
1950 2.447
1951 2.418
1952 2.366
1953 2.326
1954 2.298
1955 2.283
1956 2.281
1957 2.289
1958 2.308
1959 2.336
1960 2.369
1961 2.406
1962 2.442
1963 2.474
1964 2.5
1965 2.517
1966 2.524
1967 2.524
1968 2.515
1969 2.497
1970 2.469
1971 2.429
1972 2.377
1973 2.315
1974 2.244
1975 2.165
1976 2.079
1977 1.988
1978 1.897
1979 1.807
1980 1.722
1981 1.644
1982 1.573
1983 1.51
1984 1.457
1985 1.413
1986 1.378
1987 1.351
1988 1.33
1989 1.314
1990 1.301
1991 1.288
1992 1.277
1993 1.264
1994 1.252
1995 1.24
1996 1.228
1997 1.22
1998 1.215
1999 1.214
2000 1.22
2001 1.23
2002 1.246
2003 1.266
2004 1.29
2005 1.315
2006 1.341
2007 1.367
2008 1.392
2009 1.415
2010 1.435
2011 1.454
2012 1.471
2013 1.487
2014 1.502
2015 1.517
2016 1.532
2017 1.546
2018 1.559
2019 1.572
2020 1.585
2021 1.597
2022 1.609
2023 1.62
2024 1.63
2030 1.685
2040 1.751
2050 1.795
2070 1.85
2080 1.867
2099 1.886