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 0.5066 1891 -7.558 1892 10.48 1893 14.37 1894 14.75 1895 -6.61 1896 11.15 1897 -0.7671 1898 3.606 1899 7.092 1900 -1.246 1901 3.44 1902 9.668 1903 -6.041 1904 11.61 1905 -10.67 1906 -3.544 1907 -3.024 1908 10.21 1909 4.781 1910 7.688 1911 -6.759 1912 9.042 1913 6.022 1914 -3.628 1915 3.867 1916 -10.27 1917 -11.39 1918 -19.26 1919 -7.152 1920 31.2 1921 16.06 1922 16.06 1923 7.987 1924 2.641 1925 5.648 1926 3.68 1927 7.897 1928 6.847 1929 1.279 1930 -0.9793 1931 -2.298 1932 -0.2838 1933 6.934 1934 11.63 1935 4.444 1936 6.995 1937 5.921 1938 5.27 1939 -4.188 1940 -4.625 1941 -0.9719 1942 -0.972 1943 -0.972 1944 -0.972 1945 -0.9719 1946 -0.972 1947 12.13 1948 14.02 1949 10.23 1950 9.316 1951 -1.168 1952 5.005 1953 3.116 1954 3.787 1955 7.48 1956 8.589 1957 1.225 1958 6.734 1959 -1.75 1960 8.867 1961 5.256 1962 2.457 1963 -2.366 1964 12.94 1965 5.773 1966 4.953 1967 4.51 1968 5.963 1969 1.524 1970 7.829 1971 2.739 1972 0.622 1973 8.485 1974 2.942 1975 0.266 1976 4.629 1977 2.264 1978 2.404 1979 -0.5605 1980 0.06247 1981 0.8393 1982 2.357 1983 3.079 1984 1.114 1985 0.8278 1986 4.126 1987 1.372 1988 2.192 1989 1.669 1990 -2.68 1991 -5.83 1992 -21.43 1993 -16.32 1994 -10.09 1995 4.7 1996 4.126 1997 6.315 1998 6.574 1999 -2.35 2000 3.316 2001 6.03 2002 6.638 2003 9.614 2004 7.194 2005 7.422 2006 7.884 2007 9.786 2008 2.86 2009 -14.85 2010 2.606 2011 14.27 2012 4.582 2013 3.357