Year Total 1801 0 1802 0 1803 0 1804 0 1805 0 1806 0 1807 0 1808 0 1809 0 1810 0 1811 0 1812 0 1813 0 1814 0 1815 0 1816 0 1817 0 1818 0 1819 0 1820 0 1821 0.7675 1822 0.7675 1823 0.7675 1824 0.7675 1825 0.7675 1826 0.7675 1827 0.7675 1828 0.7675 1829 0.7675 1830 0.7675 1831 0.7675 1832 0.7675 1833 0.7675 1834 0.7675 1835 0.7675 1836 0.7675 1837 0.7675 1838 0.7675 1839 0.7675 1840 0.7675 1841 0.7675 1842 0.7675 1843 0.7675 1844 0.7675 1845 0.7675 1846 0.7675 1847 0.7675 1848 0.7675 1849 0.7675 1850 0.7675 1851 0.7675 1852 0.7675 1853 0.7675 1854 0.7675 1855 0.7675 1856 0.7675 1857 0.7675 1858 0.7675 1859 0.7675 1860 0.7675 1861 0.7675 1862 0.7675 1863 0.7675 1864 0.7675 1865 0.7675 1866 0.7675 1867 0.7675 1868 0.7675 1869 0.7675 1870 0.7675 1871 0.7675 1872 0.7675 1873 0.7675 1874 0.7675 1875 0.7675 1876 0.7675 1877 0.7675 1878 0.7675 1879 0.7675 1880 0.7675 1881 0.7675 1882 0.7675 1883 0.7675 1884 0.7675 1885 0.7675 1886 0.7675 1887 0.7675 1888 0.7675 1889 0.7675 1890 0.7675 1891 0.7675 1892 0.7675 1893 0.7675 1894 0.7675 1895 0.7675 1896 0.7675 1897 0.7675 1898 0.7675 1899 0.7675 1900 0.7675 1901 0.7675 1902 0.7675 1903 0.7675 1904 0.7675 1905 0.7675 1906 0.7675 1907 0.7675 1908 0.7675 1909 0.7675 1910 0.7675 1911 0.7675 1912 0.7675 1913 0.7675 1914 1.21 1915 1.21 1916 1.21 1917 1.21 1918 1.21 1919 1.21 1920 1.21 1921 1.21 1922 1.21 1923 1.21 1924 1.21 1925 1.21 1926 1.21 1927 4.423 1928 4.423 1929 4.423 1930 4.423 1931 4.423 1932 2.33 1933 2.33 1934 2.33 1935 2.33 1936 2.33 1937 3.247 1938 3.247 1939 3.247 1940 3.247 1941 3.247 1942 3.247 1943 3.247 1944 3.247 1945 3.247 1946 3.247 1947 3.247 1948 3.247 1949 3.247 1950 3.247 1951 4.356 1952 4.288 1953 4.222 1954 4.247 1955 4.267 1956 4.199 1957 4.22 1958 4.241 1959 4.189 1960 3.274 1961 1.732 1962 3.618 1963 4.28 1964 4.145 1965 2.562 1966 5.234 1967 3.305 1968 7.074 1969 5.478 1970 3.542 1971 3.486 1972 4.834 1973 1.957 1974 4.97 1975 5.677 1976 2.249 1977 5.672 1978 5.461 1979 5.539 1980 9.714 1981 16.8 1982 7.982 1983 6.965 1984 7.643 1985 8.696 1986 6.97 1987 -5.082 1988 -4.569 1989 -8.978 1990 -1.688 1991 -3.85 1992 -3.128 1993 -3.233 1994 -2.544 1995 3.279 1996 4.933 1997 5.008 1998 4.897 1999 4.338 2000 4.206 2001 5.353 2002 6.53 2003 4.053 2004 3.82 2005 2.154 2006 2.669 2007 2.278 2008 3.05 2009 1.293 2010 3.029 2011 3.795 2012 4.262 2013 4.314