Year Total 1801 0.8372 1802 0.8372 1803 0.8372 1804 0.8372 1805 0.8372 1806 0.8372 1807 0.8372 1808 0.8372 1809 0.8372 1810 0.8372 1811 0.8372 1812 0.8372 1813 0.8372 1814 0.8372 1815 0.8372 1816 0.8372 1817 0.8372 1818 0.8372 1819 0.8372 1820 0.8372 1821 0.699 1822 0.699 1823 0.699 1824 0.699 1825 0.699 1826 0.699 1827 0.699 1828 0.699 1829 0.699 1830 0.699 1831 0.06051 1832 0.06051 1833 0.06051 1834 0.06051 1835 0.06051 1836 0.06051 1837 0.06051 1838 0.06051 1839 0.06051 1840 0.06051 1841 4.598 1842 0.1312 1843 -3.277 1844 -2.575 1845 0.6259 1846 0 1847 0.622 1848 0.8929 1849 -0.2723 1850 -0.7509 1851 -1.906 1852 3.387 1853 -1.478 1854 -2.877 1855 -1.63 1856 1.985 1857 -2.212 1858 2.077 1859 -3.04 1860 0.6523 1861 1.597 1862 2.264 1863 1.434 1864 -0.2691 1865 -3.407 1866 1.385 1867 -0.5158 1868 1.847 1869 -1.609 1870 -0.7 1871 -1.088 1872 0.8416 1873 -2.85 1874 -5.08 1875 2.866 1876 3.665 1877 -5.381 1878 1.57 1879 1.89 1880 -1.247 1881 -0.1492 1882 -0.4894 1883 0.5259 1884 -2.465 1885 -0.02816 1886 -1.222 1887 -1.674 1888 0.8304 1889 1.406 1890 -3.614 1891 2.088 1892 -1.243 1893 1.044 1894 -0.5953 1895 3.681 1896 -4.306 1897 1.504 1898 -2.678 1899 1.213 1900 1.83 1901 0.4839 1902 3.866 1903 -0.1092 1904 2.659 1905 -8.027 1906 5.456 1907 2.703 1908 3.633 1909 1.724 1910 4.155 1911 0.5439 1912 -3.318 1913 1.102 1914 2.465 1915 2.465 1916 2.465 1917 2.465 1918 2.465 1919 2.465 1920 2.465 1921 1.707 1922 1.707 1923 1.707 1924 1.707 1925 1.707 1926 1.707 1927 1.707 1928 1.707 1929 1.707 1930 1.269 1931 1.018 1932 3.178 1933 0 1934 -8.715 1935 8.07 1936 6.317 1937 -2.435 1938 -2.496 1939 -5.677 1940 -5.677 1941 -5.677 1942 -5.677 1943 -5.677 1944 -5.677 1945 -5.677 1946 -1.094 1947 -1.094 1948 -1.094 1949 -1.094 1950 3.44 1951 12.66 1952 11.87 1953 12.68 1954 2.876 1955 4.246 1956 6.88 1957 8.645 1958 16.96 1959 10.45 1960 -5.087 1961 -35.75 1962 3.847 1963 14.52 1964 15.06 1965 11.4 1966 10.65 1967 -9.801 1968 -3.427 1969 13.63 1970 20.21 1971 6.847 1972 -0.5659 1973 9.439 1974 2.316 1975 6.445 1976 -0.6095 1977 3.796 1978 14.8 1979 6.446 1980 3.529 1981 4.758 1982 9.297 1983 6.982 1984 21.23 1985 9.577 1986 5.611 1987 5.642 1988 -0.8325 1989 -5.353 1990 5.367 1991 6.192 1992 8.752 1993 12.19 1994 8.807 1995 12.68 1996 3.422 1997 6.243 1998 -0.8488 1999 4.949 2000 5.628 2001 6.954 2002 10.92 2003 8.21 2004 10.24 2005 10.08 2006 12.41 2007 11.24 2008 2.2 2009 7.495 2010 7.337 2011 5.56 2012 7.6 2013 7.596