Year Years 1800 357.4 1801 357.4 1802 357.4 1803 357.4 1804 357.4 1805 357.4 1806 357.4 1807 357.4 1808 357.4 1809 357.4 1810 357.4 1811 357.4 1812 357.4 1813 357.4 1814 357.4 1815 357.4 1816 357.4 1817 357.4 1818 357.4 1819 357.4 1820 357.4 1821 357.4 1822 357.4 1823 357.4 1824 357.4 1825 357.4 1826 357.4 1827 357.4 1828 357.4 1829 357.4 1830 357.4 1831 357.4 1832 357.4 1833 357.4 1834 357.4 1835 357.4 1836 357.4 1837 357.4 1838 357.4 1839 357.4 1840 357.4 1841 357.4 1842 357.4 1843 357.4 1844 357.4 1845 357.4 1846 357.4 1847 357.4 1848 357.4 1849 357.4 1850 357.4 1851 357.4 1852 357.4 1853 357.4 1854 357.4 1855 357.4 1856 357.4 1857 357.4 1858 357.4 1859 357.4 1860 357.4 1861 357.4 1862 357.4 1863 357.4 1864 357.4 1865 357.4 1866 357.4 1867 357.4 1868 357.4 1869 357.4 1870 357.4 1871 357.4 1872 357.4 1873 357.4 1874 357.4 1875 357.4 1876 357.4 1877 357.4 1878 357.4 1879 357.4 1880 351.7 1881 345.9 1882 340.2 1883 334.6 1884 329 1885 323.5 1886 318 1887 312.6 1888 307.2 1889 301.9 1890 296.6 1891 291.4 1892 286.2 1893 281.1 1894 275 1895 269.9 1896 264.9 1897 259.9 1898 254.9 1899 249.9 1900 244.9 1901 239.9 1902 238.8 1903 249.9 1904 270.2 1905 256 1906 251.7 1907 228.6 1908 251.7 1909 238.8 1910 220.8 1911 251 1912 227 1913 214.8 1914 215.1 1915 202.4 1916 214.1 1917 232.5 1918 286.9 1919 262.4 1920 174.1 1921 160.9 1922 167.6 1923 172 1924 155.1 1925 170.3 1926 181.2 1927 160.8 1928 164.3 1929 185.6 1930 152.8 1931 146.4 1932 152.8 1933 140.5 1934 128.7 1935 134 1936 119.1 1937 119.4 1938 132.3 1939 123.6 1940 113.2 1941 125.7 1942 137.3 1943 166.6 1944 219 1945 204.9 1946 113.4 1947 103.4 1948 94.45 1949 92.37 1950 89.73 1960 37.48 1961 32.23 1962 35.94 1963 33.54 1964 29.3 1965 28.1 1966 27 1967 25.9 1968 24.7 1969 23.5 1970 22.3 1971 21.1 1972 20 1973 18.8 1974 17.7 1975 16.8 1976 15.9 1977 15.1 1978 14.5 1979 13.9 1980 13.4 1981 12.9 1982 12.5 1983 12 1984 11.6 1985 11.1 1986 10.7 1987 10.2 1988 9.7 1989 9.3 1990 8.8 1991 8.3 1992 7.8 1993 7.3 1994 6.8 1995 6.4 1996 6 1997 5.7 1998 5.4 1999 5.1 2000 4.8 2001 4.6 2002 4.3 2003 4 2004 3.8 2005 3.5 2006 3.3 2007 3 2008 2.8 2009 2.6 2010 2.4 2011 2.3 2012 2.2 2013 2