Year Total
1800 5.22
1801 5.22
1802 5.22
1803 5.22
1804 5.22
1805 5.22
1806 5.22
1807 5.22
1808 5.22
1809 5.22
1810 5.22
1811 5.22
1812 5.22
1813 5.22
1814 5.22
1815 5.22
1816 5.22
1817 5.22
1818 5.22
1819 5.22
1820 5.22
1821 5.22
1822 5.22
1823 5.22
1824 5.22
1825 5.22
1826 5.22
1827 5.22
1828 5.22
1829 5.22
1830 5.22
1831 5.22
1832 5.22
1833 5.22
1834 5.22
1835 5.22
1836 5.22
1837 5.22
1838 5.22
1839 5.22
1840 5.22
1841 5.22
1842 5.22
1843 5.22
1844 5.22
1845 5.22
1846 5.22
1847 5.22
1848 5.22
1849 5.22
1850 5.22
1851 5.081
1852 4.941
1853 4.802
1854 4.663
1855 4.524
1856 4.384
1857 4.245
1858 4.106
1859 3.966
1860 4.234
1861 4.288
1862 4.288
1863 4.074
1864 4.824
1865 4.636
1866 4.194
1867 4.248
1868 4.476
1869 4.556
1870 4.61
1871 4.489
1872 4.288
1873 4.355
1874 4.596
1875 5.199
1876 4.958
1877 4.744
1878 4.221
1879 4.971
1880 5.052
1881 5.561
1882 5.414
1883 5.735
1884 5.548
1885 5.775
1886 5.655
1887 5.494
1888 5.682
1889 5.44
1890 5.159
1891 5.668
1892 5.226
1893 5.427
1894 5.481
1895 5.668
1896 5.454
1897 5.749
1898 4.918
1899 5.628
1900 5.199
1901 5.266
1902 5.226
1903 5.373
1904 5.373
1905 5.132
1906 5.347
1907 5.507
1908 5.4
1909 5.507
1910 5.266
1911 5.668
1912 5.816
1913 5.641
1914 5.641
1915 5.427
1916 4.841
1917 4.255
1918 3.668
1919 3.082
1920 4.516
1921 5.119
1922 4.985
1923 4.878
1924 4.918
1925 4.717
1926 4.663
1927 4.569
1928 4.65
1929 4.569
1930 4.69
1931 4.462
1932 4.811
1933 4.301
1934 4.342
1935 4.114
1936 4.221
1937 4.127
1938 3.966
1939 3.792
1940 3.551
1941 3.082
1942 2.868
1943 3.136
1944 2.908
1945 2.626
1946 3.323
1947 3.136
1948 3.203
1949 3.698
1950 3.58
1951 3.461
1952 3.342
1953 3.223
1954 3.105
1955 2.986
1956 2.867
1957 2.726
1958 2.584
1959 2.407
1960 2.319
1961 2.159
1962 2.018
1963 1.996
1964 1.947
1965 1.887
1966 1.887
1967 3.646
1968 3.611
1969 3.186
1970 2.867
1971 2.655
1972 2.531
1973 2.425
1974 2.708
1975 2.619
1976 2.566
1977 2.584
1978 2.513
1979 2.496
1980 2.442
1981 2.354
1982 2.159
1983 1.996
1984 2.177
1985 2.265
1986 2.372
1987 2.407
1988 2.301
1989 2.177
1990 1.812
1991 1.558
1992 1.487
1993 1.434
1994 1.416
1995 1.354
1996 1.318
1997 1.298
1998 1.285
1999 1.278
2000 1.274
2001 1.272
2002 1.274
2003 1.279
2004 1.288
2005 1.299
2006 1.311
2007 1.325
2008 1.34
2009 1.356
2010 1.372
2011 1.387
2012 1.402
2013 1.417
2014 1.432
2015 1.445
2016 1.459
2017 1.471
2018 1.484
2019 1.496
2020 1.507
2021 1.518
2022 1.529
2023 1.539
2024 1.55
2030 1.605
2040 1.678
2050 1.73
2070 1.798
2080 1.821
2099 1.849