Year Years 1800 34.05 1801 34.05 1802 34.05 1803 34.05 1804 34.05 1805 34.05 1806 34.05 1807 34.05 1808 34.05 1809 34.05 1810 34.05 1811 34.05 1812 34.05 1813 34.05 1814 34.05 1815 34.05 1816 34.05 1817 34.05 1818 34.05 1819 34.05 1820 34.05 1821 34.05 1822 34.05 1823 34.05 1824 34.05 1825 34.05 1826 34.05 1827 34.05 1828 34.05 1829 34.05 1830 34.05 1831 34.05 1832 34.05 1833 34.05 1834 34.05 1835 34.05 1836 34.05 1837 34.05 1838 34.05 1839 34.05 1840 34.05 1841 34.05 1842 34.05 1843 34.05 1844 34.05 1845 34.05 1846 34.05 1847 34.05 1848 34.05 1849 34.05 1850 34.05 1851 34.05 1852 34.05 1853 34.05 1854 34.05 1855 34.05 1856 34.05 1857 34.05 1858 34.05 1859 34.05 1860 34.05 1861 34.05 1862 34.05 1863 34.05 1864 34.05 1865 34.05 1866 34.05 1867 34.05 1868 34.05 1869 34.05 1870 34.05 1871 34.5 1872 34.94 1873 35.39 1874 35.84 1875 36.29 1876 36.74 1877 37.18 1878 37.63 1879 38.08 1880 38.52 1881 38.97 1882 39.42 1883 39.87 1884 40.32 1885 40.76 1886 41.21 1887 41.66 1888 42.1 1889 42.55 1890 43.01 1891 43.45 1892 43.9 1893 44.34 1894 44.79 1895 45.24 1896 45.69 1897 46.14 1898 46.59 1899 47.03 1900 47.48 1901 47.92 1902 48.38 1903 48.83 1904 49.27 1905 49.72 1906 50.17 1907 50.62 1908 51.07 1909 51.52 1910 51.96 1911 52.41 1912 52.86 1913 53.31 1914 53.76 1915 54.2 1916 54.65 1917 55.11 1918 47.08 1919 56 1920 56.44 1921 56.9 1922 57.35 1923 57.79 1924 58.24 1925 58.7 1926 59.14 1927 59.59 1928 60.03 1929 60.49 1930 60.94 1931 61.38 1932 61.83 1933 62.29 1934 62.73 1935 63.18 1936 63.62 1937 64.08 1938 64.53 1939 64.97 1940 65.43 1941 65.88 1942 66.32 1943 66.77 1944 67.22 1945 67.67 1946 68.12 1947 68.57 1948 69.02 1949 69.14 1950 69.45 1951 69.33 1952 69.56 1953 70.41 1954 70.53 1955 70.66 1956 70.92 1957 70.44 1958 71.08 1959 70.99 1960 71.45 1961 71.17 1962 71.43 1963 71.51 1964 71.55 1965 71.48 1966 71.34 1967 71.73 1968 71.39 1969 71.76 1970 71.54 1971 71.74 1972 71.79 1973 71.92 1974 72.06 1975 72.17 1976 72.34 1977 72.52 1978 72.83 1979 72.82 1980 73.19 1981 73.54 1982 73.79 1983 73.94 1984 74.13 1985 74.12 1986 74.22 1987 74.45 1988 74.73 1989 75.14 1990 75.64 1991 75.97 1992 76.25 1993 76.55 1994 76.76 1995 76.96 1996 77.15 1997 77.54 1998 77.92 1999 78.17 2000 78.51 2001 78.66 2002 78.95 2003 79.21 2004 79.47 2005 79.83 2006 79.99 2007 80.18 2008 80.33 2009 80.6 2010 80.9 2011 80.96 2012 81.22 2013 81.46 2014 81.52 2015 81.48 2016 81.47 2017 81.62 2018 81.77