Year Years 1800 361 1801 361 1802 361 1803 361 1804 361 1805 361 1806 361 1807 361 1808 361 1809 361 1810 361 1811 361 1812 361 1813 361 1814 361 1815 361 1816 361 1817 361 1818 361 1819 361 1820 361 1821 361 1822 361 1823 361 1824 361 1825 361 1826 361 1827 361 1828 361 1829 361 1830 361 1831 361 1832 361 1833 361 1834 361 1835 361 1836 361 1837 361 1838 361 1839 361 1840 361 1841 361 1842 361 1843 361 1844 361 1845 361 1846 361 1847 361 1848 361 1849 361 1850 361 1851 361 1852 361 1853 361 1854 361 1855 361 1856 361 1857 361 1858 361 1859 361 1860 361 1861 361 1862 361 1863 361 1864 361 1865 361 1866 361 1867 361 1868 361 1869 361 1870 361 1871 361 1872 361 1873 361 1874 361 1875 361 1876 361 1877 361 1878 361 1879 361 1880 361 1881 361 1882 361 1883 361 1884 361 1885 361 1886 361 1887 361 1888 361 1889 361 1890 361 1891 361 1892 361 1893 361 1894 361 1895 360.9 1896 360.9 1897 360.8 1898 360.6 1899 360.4 1900 360.2 1901 359.9 1902 359.5 1903 359.1 1904 358.6 1905 358.1 1906 357.5 1907 356.8 1908 356.1 1909 355.4 1910 354.6 1911 353.8 1912 352.9 1913 352.1 1914 351.2 1915 350.4 1916 349.5 1917 348.7 1918 347.8 1919 347 1920 346.1 1921 326.6 1922 306.6 1923 288.4 1924 270.8 1925 253.8 1926 236.5 1927 234.1 1928 231.7 1929 228.4 1930 226.1 1931 223.7 1932 220.5 1933 218.2 1934 215.9 1935 212.8 1936 210.5 1937 208.3 1938 205.2 1939 203 1940 204.2 1941 473.1 1942 554.2 1943 576.9 1944 416.6 1945 338.9 1946 158.5 1947 240.9 1948 138.7 1949 119.1 1950 95.17 1951 92.49 1952 86.9 1953 81.92 1954 77.53 1955 73.18 1956 68.88 1957 65.13 1958 61.92 1959 62.23 1960 53.56 1961 52.07 1971 34.6 1972 33.3 1973 32.2 1974 31.3 1975 30.4 1976 29.8 1977 29.2 1978 28.7 1979 28.1 1980 27.5 1981 26.7 1982 25.8 1983 24.8 1984 23.8 1985 22.8 1986 21.8 1987 21 1988 20.4 1989 19.9 1990 19.6 1991 19.5 1992 19.6 1993 19.9 1994 20.3 1995 20.5 1996 20.6 1997 20.4 1998 19.9 1999 19.3 2000 18.4 2001 17.6 2002 16.7 2003 15.8 2004 15.1 2005 14.5 2006 14 2007 13.4 2008 12.9 2009 12.3 2010 11.8 2011 11.2 2012 10.6 2013 10