Year Years
1800 30.5
1801 30.5
1802 30.5
1803 30.5
1804 30.5
1805 30.5
1806 30.5
1807 30.5
1808 30.5
1809 30.5
1810 30.5
1811 30.5
1812 30.5
1813 30.5
1814 30.5
1815 30.5
1816 30.5
1817 30.5
1818 30.5
1819 30.5
1820 30.5
1821 30.5
1822 30.5
1823 30.5
1824 30.5
1825 30.5
1826 30.5
1827 30.5
1828 30.5
1829 30.5
1830 30.5
1831 30.5
1832 30.5
1833 30.5
1834 30.5
1835 30.5
1836 30.5
1837 30.5
1838 30.5
1839 30.5
1840 30.5
1841 30.5
1842 30.5
1843 30.5
1844 30.5
1845 30.5
1846 30.5
1847 30.5
1848 30.5
1849 30.5
1850 30.5
1851 30.5
1852 30.5
1853 30.5
1854 30.5
1855 30.5
1856 30.5
1857 30.5
1858 30.5
1859 30.5
1860 30.5
1861 30.5
1862 30.5
1863 30.5
1864 30.5
1865 30.5
1866 30.5
1867 30.5
1868 30.5
1869 30.5
1870 30.5
1871 30.5
1872 30.5
1873 30.5
1874 30.5
1875 30.5
1876 30.5
1877 30.5
1878 30.5
1879 30.5
1880 30.5
1881 30.5
1882 30.5
1883 30.5
1884 30.5
1885 30.5
1886 30.5
1887 30.5
1888 30.5
1889 30.5
1890 30.5
1891 30.5
1892 30.5
1893 30.5
1894 30.5
1895 30.5
1896 30.5
1897 30.5
1898 30.5
1899 30.5
1900 30.5
1901 30.5
1902 30.5
1903 30.5
1904 30.5
1905 30.5
1906 30.5
1907 30.5
1908 30.5
1909 30.5
1910 30.5
1911 30.5
1912 30.5
1913 30.5
1914 30.5
1915 30.5
1916 30.5
1917 30.5
1918 26.96
1919 30.5
1920 30.5
1921 30.5
1922 30.5
1923 30.5
1924 30.5
1925 30.5
1926 31.37
1927 32.24
1928 33.11
1929 33.98
1930 34.85
1931 35.72
1932 36.59
1933 37.46
1934 38.33
1935 39.2
1936 40.07
1937 40.94
1938 41.81
1939 42.68
1940 43.55
1941 44.42
1942 45.29
1943 46.16
1944 47.03
1945 47.9
1946 48.77
1947 49.64
1948 50.51
1949 51.38
1950 52.25
1951 52.52
1952 53.05
1953 53.58
1954 54.12
1955 54.67
1956 55.22
1957 55.78
1958 56.37
1959 57
1960 57.68
1961 58.44
1962 59.28
1963 60.19
1964 61.14
1965 62.1
1966 63
1967 63.8
1968 64.46
1969 64.97
1970 65.34
1971 65.57
1972 65.71
1973 65.81
1974 65.91
1975 66.04
1976 66.24
1977 66.51
1978 66.87
1979 67.3
1980 67.79
1981 68.31
1982 68.83
1983 69.33
1984 69.79
1985 70.2
1986 70.57
1987 70.92
1988 71.27
1989 71.6
1990 71.94
1991 72.27
1992 72.61
1993 72.93
1994 73.25
1995 73.56
1996 73.84
1997 74.1
1998 74.34
1999 74.55
2000 74.75
2001 74.92
2002 75.07
2003 75.21
2004 75.35
2005 75.5
2006 75.65
2007 75.82
2008 76.01
2009 76.21
2010 76.43
2011 76.65
2012 76.89
2013 77.12
2014 77.35
2015 77.58
2016 77.79
2017 78
2018 78.21
2019 78.42
2020 78.63
2021 78.84
2022 79.04
2023 79.24
2024 79.44
2025 79.64
2026 79.84
2027 80.03
2028 80.22
2029 80.4
2030 80.58
2031 80.75
2032 80.92
2033 81.08
2034 81.24
2035 81.4
2036 81.55
2037 81.7
2038 81.84
2039 81.98
2040 82.12
2041 82.26
2042 82.4
2043 82.53
2044 82.66
2045 82.79
2046 82.92
2047 83.05
2048 83.18
2049 83.31
2050 83.44
2051 83.57
2052 83.7
2053 83.83
2054 83.96
2055 84.09
2056 84.22
2057 84.34
2058 84.46
2059 84.58
2060 84.7
2061 84.82
2062 84.94
2063 85.06
2064 85.18
2065 85.3
2066 85.42
2067 85.54
2068 85.66
2069 85.78
2070 85.9
2071 86.02
2072 86.14
2073 86.26
2074 86.38
2075 86.5
2076 86.62
2077 86.74
2078 86.86
2079 86.98
2080 87.1
2081 87.22
2082 87.34
2083 87.45
2084 87.56
2085 87.67
2086 87.78
2087 87.89
2088 88
2089 88.12
2090 88.24
2091 88.36
2092 88.48
2093 88.6
2094 88.71
2095 88.82
2096 88.93
2097 89.04
2098 89.15
2099 89.26
2100 89.37