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 335.3
1922 323.6
1923 313.2
1924 303
1925 293.1
1926 282.3
1927 272.7
1928 263.3
1929 253.2
1930 244.2
1931 235.3
1932 226.7
1933 217.3
1934 209
1935 200.9
1936 192.1
1937 184.3
1938 176.6
1939 169.1
1940 160.9
1941 153.8
1942 146.7
1943 139.1
1944 132.4
1945 125.8
1946 119.4
1947 112.5
1948 106.3
1949 100.4
1950 93.95
1960 46.87
1970 30.64
1980 19.3
1981 18
1982 17
1983 16.1
1984 15.3
1985 14.4
1986 13.5
1987 12.7
1988 11.9
1989 11.1
1990 10.4
1991 9.7
1992 9.1
1993 8.5
1994 7.9
1995 7.4
1996 7
1997 6.5
1998 6.2
1999 5.8
2000 5.5
2001 5.2
2002 5
2003 4.7
2004 4.5
2005 4.3
2006 4.1
2007 3.9
2008 3.7
2009 3.5
2010 3.3
2011 3.2
2012 3
2013 2.9