Year Total 1801 0.1043 1802 0.1043 1803 0.1043 1804 0.1043 1805 0.1043 1806 0.1043 1807 0.1043 1808 0.1043 1809 0.1043 1810 0.1043 1811 0.1043 1812 0.1043 1813 0.1043 1814 0.1043 1815 0.1043 1816 0.1043 1817 0.1043 1818 0.1043 1819 0.1043 1820 0.1043 1821 1.562 1822 1.562 1823 1.562 1824 1.562 1825 1.562 1826 1.562 1827 1.562 1828 1.562 1829 1.562 1830 1.562 1831 1.562 1832 1.562 1833 1.562 1834 1.562 1835 1.562 1836 1.562 1837 1.562 1838 1.562 1839 1.562 1840 1.562 1841 1.562 1842 1.562 1843 1.562 1844 1.562 1845 1.562 1846 1.562 1847 1.562 1848 1.562 1849 1.562 1850 1.562 1851 1.562 1852 1.562 1853 1.562 1854 1.562 1855 1.562 1856 1.562 1857 1.562 1858 1.562 1859 1.562 1860 1.562 1861 1.562 1862 1.562 1863 1.562 1864 1.562 1865 1.562 1866 1.562 1867 1.562 1868 1.562 1869 1.562 1870 1.562 1871 1.562 1872 1.562 1873 1.562 1874 1.562 1875 1.562 1876 1.562 1877 1.562 1878 1.562 1879 1.562 1880 1.562 1881 1.562 1882 1.562 1883 1.562 1884 1.562 1885 1.562 1886 -2.975 1887 18.01 1888 -2.916 1889 -6.157 1890 0.5073 1891 -7.557 1892 10.48 1893 14.37 1894 14.75 1895 -6.609 1896 11.15 1897 -0.7664 1898 3.607 1899 7.093 1900 -1.246 1901 3.441 1902 9.669 1903 -6.041 1904 11.61 1905 -10.67 1906 -3.543 1907 -3.023 1908 10.22 1909 4.781 1910 7.689 1911 -6.758 1912 9.043 1913 6.022 1914 -3.627 1915 3.868 1916 -10.27 1917 -11.39 1918 -19.26 1919 -7.151 1920 31.2 1921 16.06 1922 16.06 1923 7.987 1924 2.642 1925 5.649 1926 3.68 1927 7.898 1928 6.847 1929 1.28 1930 -0.9786 1931 -2.297 1932 -0.2832 1933 6.934 1934 11.63 1935 4.445 1936 6.996 1937 5.922 1938 5.271 1939 -4.187 1940 -4.624 1941 -0.9713 1942 -0.9713 1943 -0.9713 1944 -0.9713 1945 -0.9713 1946 -0.9713 1947 12.13 1948 14.02 1949 10.23 1950 9.317 1951 -0.9536 1952 5.214 1953 3.312 1954 3.98 1955 7.673 1956 8.769 1957 1.366 1958 6.839 1959 -1.711 1960 8.831 1961 5.14 1962 2.275 1963 -2.583 1964 12.68 1965 5.53 1966 4.725 1967 4.29 1968 5.744 1969 1.31 1970 7.591 1971 2.506 1972 0.3906 1973 8.224 1974 4.752 1975 6.667 1976 4.828 1977 2.349 1978 2.385 1979 5.214 1980 3.928 1981 4.093 1982 2.218 1983 5.09 1984 5.766 1985 -0.2878 1986 5.012 1987 2.706 1988 5.371 1989 5.573 1990 -7.537 1991 -12.91 1992 -32.2 1993 -4.833 1994 2.011 1995 -1.105 1996 3.551 1997 9.039 1998 5.624 1999 4.818 2000 6.941 2001 7.834 2002 6.659 2003 7.04 2004 8.566 2005 10.53 2006 11.64 2007 9.996 2008 -2.972 2009 -16.99 2010 0.6194 2011 7.384 2012 6.501 2013 4.034