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 1.561 1822 1.561 1823 1.561 1824 1.561 1825 1.561 1826 1.561 1827 1.561 1828 1.561 1829 1.561 1830 1.561 1831 1.561 1832 1.561 1833 1.561 1834 1.561 1835 1.561 1836 1.561 1837 1.561 1838 1.561 1839 1.561 1840 1.561 1841 1.561 1842 1.561 1843 1.561 1844 1.561 1845 1.561 1846 1.561 1847 1.561 1848 1.561 1849 1.561 1850 1.561 1851 1.561 1852 1.561 1853 1.561 1854 1.561 1855 1.561 1856 1.561 1857 1.561 1858 1.561 1859 1.561 1860 1.561 1861 1.561 1862 1.561 1863 1.561 1864 1.561 1865 1.561 1866 1.561 1867 1.561 1868 1.561 1869 1.561 1870 1.561 1871 1.561 1872 1.561 1873 1.561 1874 1.561 1875 1.561 1876 1.561 1877 1.561 1878 1.561 1879 1.561 1880 1.561 1881 1.561 1882 1.561 1883 1.561 1884 1.561 1885 1.561 1886 -2.976 1887 18.01 1888 -2.917 1889 -6.158 1890 0.5068 1891 -7.558 1892 10.48 1893 14.37 1894 14.75 1895 -6.609 1896 11.15 1897 -0.767 1898 3.606 1899 7.093 1900 -1.246 1901 3.44 1902 9.668 1903 -6.041 1904 11.61 1905 -10.67 1906 -3.543 1907 -3.023 1908 10.21 1909 4.781 1910 7.688 1911 -6.759 1912 9.042 1913 6.022 1914 -3.628 1915 3.868 1916 -10.27 1917 -11.39 1918 -38.22 1919 -12.99 1920 1.331 1921 -7.624 1922 17.15 1923 16.24 1924 27.86 1925 26.12 1926 13.31 1927 5.131 1928 6.13 1929 2.096 1930 5.478 1931 1.836 1932 -0.6352 1933 4.718 1934 10.18 1935 15.39 1936 7.787 1937 9.295 1938 0.638 1939 5.01 1940 -3.281 1941 -0.9719 1942 -0.9719 1943 -0.9718 1944 -0.9718 1945 -0.9719 1946 -0.9718 1947 12.13 1948 14.02 1949 10.23 1950 9.316 1951 0.164 1952 6.73 1953 5.037 1954 5.882 1955 9.761 1956 10.96 1957 3.471 1958 9.115 1959 0.4365 1960 11.27 1961 7.542 1962 4.635 1963 -0.3476 1964 15.21 1965 7.828 1966 6.93 1967 6.427 1968 7.88 1969 3.359 1970 9.79 1971 4.622 1972 2.474 1973 10.48 1974 2.281 1975 -0.3926 1976 3.932 1977 1.577 1978 1.701 1979 -1.268 1980 -0.6803 1981 0.07293 1982 1.574 1983 2.278 1984 0.3071 1985 0.00428 1986 3.216 1987 0.4553 1988 1.375 1989 1.139 1990 -2.816 1991 -4.414 1992 -14.53 1993 2.111 1994 -16.95 1995 -7.028 1996 6.59 1997 -11.73 1998 6.49 1999 15.71 2000 5.336 2001 3.32 2002 1.001 2003 5.954 2004 13.81 2005 8.206 2006 10.46 2007 10.61 2008 14.32 2009 5.763 2010 8.785 2011 14.26 2012 10.72 2013 9.779