Year Years
1800 31.16
1801 31.16
1802 31.16
1803 31.16
1804 31.16
1805 31.16
1806 31.16
1807 31.16
1808 31.16
1809 31.16
1810 31.16
1811 31.16
1812 31.16
1813 31.16
1814 31.16
1815 31.16
1816 31.16
1817 31.16
1818 31.16
1819 31.16
1820 31.16
1821 31.16
1822 31.16
1823 31.16
1824 31.16
1825 31.16
1826 31.16
1827 31.16
1828 31.16
1829 31.16
1830 31.16
1831 31.16
1832 31.16
1833 31.16
1834 31.16
1835 31.16
1836 31.16
1837 31.16
1838 31.16
1839 31.16
1840 31.16
1841 31.16
1842 31.16
1843 31.16
1844 31.16
1845 31.16
1846 31.16
1847 31.16
1848 31.16
1849 31.16
1850 31.16
1851 31.16
1852 31.16
1853 31.16
1854 31.16
1855 31.16
1856 31.16
1857 31.16
1858 31.16
1859 31.16
1860 31.16
1861 31.16
1862 31.16
1863 31.16
1864 31.16
1865 31.16
1866 31.16
1867 31.16
1868 31.16
1869 31.16
1870 31.16
1871 31.21
1872 31.26
1873 31.32
1874 31.37
1875 31.42
1876 31.47
1877 31.53
1878 31.58
1879 31.63
1880 31.68
1881 31.73
1882 31.79
1883 31.84
1884 31.89
1885 31.94
1886 31.99
1887 32.05
1888 32.1
1889 32.15
1890 32.2
1891 32.26
1892 32.31
1893 32.36
1894 32.41
1895 32.46
1896 32.52
1897 32.57
1898 32.62
1899 32.67
1900 32.72
1901 32.78
1902 32.83
1903 32.88
1904 32.93
1905 32.99
1906 33.04
1907 33.09
1908 33.14
1909 33.19
1910 33.25
1911 33.3
1912 33.35
1913 33.4
1914 33.46
1915 33.51
1916 33.56
1917 33.61
1918 13.02
1919 33.72
1920 33.77
1921 33.82
1922 33.87
1923 33.92
1924 33.98
1925 34.03
1926 34.08
1927 34.13
1928 34.19
1929 34.24
1930 34.29
1931 34.34
1932 34.39
1933 34.45
1934 34.5
1935 34.55
1936 34.6
1937 34.66
1938 34.71
1939 34.76
1940 34.81
1941 34.86
1942 34.92
1943 34.97
1944 35.02
1945 35.07
1946 35.12
1947 35.18
1948 35.23
1949 35.28
1950 35.33
1951 35.64
1952 36.23
1953 36.87
1954 37.55
1955 38.28
1956 39.04
1957 39.86
1958 40.7
1959 41.56
1960 42.43
1961 43.28
1962 44.11
1963 44.92
1964 45.7
1965 46.48
1966 47.29
1967 48.13
1968 49.03
1969 50
1970 51
1971 51.58
1972 52.11
1973 52.62
1974 53.13
1975 53.59
1976 54.13
1977 54.6
1978 55.17
1979 55.61
1980 56.09
1981 56.36
1982 56.39
1983 56.43
1984 56.38
1985 56.47
1986 56.44
1987 56.13
1988 55.73
1989 55.36
1990 55.03
1991 54.77
1992 54.37
1993 53.8
1994 53.41
1995 52.89
1996 52.79
1997 52.84
1998 52.77
1999 52.69
2000 52.65
2001 52.66
2002 52.9
2003 53.09
2004 53.31
2005 53.66
2006 54.06
2007 54.62
2008 55.17
2009 55.75
2010 56.34
2011 56.93
2012 57.36
2013 58.09
2014 58.62
2015 59.22
2016 60
2017 60.59
2018 61.16