Year Years 1800 403.4 1801 403.4 1802 403.4 1803 403.4 1804 403.4 1805 403.4 1806 403.4 1807 403.4 1808 403.4 1809 403.4 1810 403.4 1811 403.4 1812 403.4 1813 403.4 1814 403.4 1815 403.4 1816 403.4 1817 403.4 1818 403.4 1819 403.4 1820 403.4 1821 403.4 1822 403.4 1823 403.4 1824 403.4 1825 403.4 1826 403.4 1827 403.4 1828 403.4 1829 403.4 1830 403.4 1831 403.4 1832 403.4 1833 403.4 1834 403.4 1835 403.4 1836 403.4 1837 403.4 1838 403.4 1839 403.4 1840 403.4 1841 403.4 1842 403.4 1843 403.4 1844 403.4 1845 403.4 1846 403.4 1847 403.4 1848 403.4 1849 403.4 1850 403.4 1851 403.4 1852 403.4 1853 403.4 1854 403.4 1855 403.4 1856 403.4 1857 403.4 1858 403.4 1859 403.4 1860 403.4 1861 403.4 1862 403.4 1863 403.4 1864 403.4 1865 403.4 1866 403.4 1867 403.4 1868 403.4 1869 403.4 1870 403.4 1871 403.4 1872 403.4 1873 403.4 1874 403.4 1875 403.4 1876 403.4 1877 403.4 1878 403.4 1879 403.4 1880 403.4 1881 403.4 1882 403.4 1883 403.4 1884 403.4 1885 403.4 1886 403.4 1887 403.4 1888 403.4 1889 403.4 1890 403.4 1891 403.4 1892 403.4 1893 403.4 1894 403.4 1895 403.4 1896 403.3 1897 403.2 1898 403.1 1899 402.9 1900 402.6 1901 402.2 1902 401.8 1903 401.3 1904 400.8 1905 400.2 1906 399.5 1907 398.8 1908 398 1909 397.2 1910 396.3 1911 395.4 1912 394.4 1913 393.5 1914 392.6 1915 391.6 1916 390.7 1917 389.7 1918 388.8 1919 387.8 1920 386.9 1921 385.9 1922 385 1923 384 1924 383.1 1925 382.1 1926 381.2 1927 380.2 1928 379.3 1929 378.4 1930 377.4 1931 376.5 1932 375.5 1933 374.6 1934 373.6 1935 372.7 1936 371.7 1937 370.8 1938 369.8 1939 368.9 1940 367.9 1941 353.4 1942 339.3 1943 325.6 1944 312.2 1954 275.1 1955 269.3 1956 263.7 1957 258.3 1958 253.1 1959 247.9 1960 242.7 1961 237.6 1962 232.5 1963 227.2 1964 222 1965 216.5 1966 211 1967 205.5 1968 200.1 1969 195 1970 190.1 1971 185.4 1972 180.9 1973 176.4 1974 171.5 1975 166.1 1976 160.3 1977 154.1 1978 147.6 1979 141 1980 134.4 1981 127.9 1982 121.6 1983 115.5 1984 109.6 1985 103.9 1986 98.6 1987 93.6 1988 88.9 1989 84.6 1990 80.7 1991 77.1 1992 73.6 1993 70.3 1994 67 1995 63.9 1996 61 1997 58.2 1998 55.6 1999 53.1 2000 50.8 2001 48.6 2002 46.5 2003 44.7 2004 42.8 2005 41.2 2006 39.6 2007 38.1 2008 36.7 2009 35.3 2010 34 2011 32.7 2012 31.5 2013 30.4