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 1.56 1823 1.561 1824 1.561 1825 1.561 1826 1.561 1827 1.561 1828 1.561 1829 1.56 1830 1.561 1831 1.561 1832 1.561 1833 1.56 1834 1.561 1835 1.561 1836 1.561 1837 1.561 1838 1.56 1839 1.561 1840 1.561 1841 1.561 1842 1.561 1843 1.56 1844 1.561 1845 1.561 1846 1.561 1847 1.561 1848 1.561 1849 1.561 1850 1.56 1851 1.56 1852 1.561 1853 1.56 1854 1.561 1855 1.561 1856 1.56 1857 1.561 1858 1.561 1859 1.561 1860 1.561 1861 1.561 1862 1.56 1863 1.561 1864 1.561 1865 1.561 1866 1.56 1867 1.561 1868 1.561 1869 1.561 1870 1.561 1871 1.56 1872 1.561 1873 1.561 1874 1.56 1875 1.561 1876 1.561 1877 1.561 1878 1.561 1879 1.56 1880 1.561 1881 1.56 1882 1.561 1883 1.56 1884 1.561 1885 1.561 1886 -2.976 1887 18.01 1888 -2.917 1889 -6.158 1890 0.5062 1891 -7.558 1892 10.48 1893 14.37 1894 14.74 1895 -6.61 1896 11.15 1897 -0.7675 1898 3.605 1899 7.092 1900 -1.247 1901 3.439 1902 9.667 1903 -6.042 1904 11.61 1905 -10.67 1906 -3.544 1907 -3.024 1908 10.21 1909 4.78 1910 7.688 1911 -6.759 1912 9.042 1913 6.021 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 7.986 1924 2.64 1925 5.648 1926 3.679 1927 7.897 1928 6.846 1929 1.279 1930 -0.9798 1931 -2.298 1932 -0.2844 1933 6.933 1934 11.63 1935 4.443 1936 6.995 1937 5.92 1938 5.27 1939 -4.189 1940 -4.625 1941 -0.9725 1942 -0.9724 1943 -0.9725 1944 -0.9724 1945 -0.9725 1946 -0.9725 1947 12.13 1948 14.02 1949 10.23 1950 9.315 1951 -0.09393 1952 5.822 1953 3.657 1954 4.12 1955 7.652 1956 8.628 1957 1.167 1958 6.602 1959 -1.918 1960 8.649 1961 5.032 1962 2.244 1963 -2.55 1964 12.77 1965 5.657 1966 4.891 1967 4.497 1968 5.982 1969 1.548 1970 7.842 1971 2.74 1972 0.6136 1973 8.449 1974 3.418 1975 0.6787 1976 4.994 1977 2.567 1978 2.688 1979 -0.2548 1980 0.4317 1981 1.272 1982 2.839 1983 3.598 1984 1.642 1985 1.354 1986 4.699 1987 1.941 1988 2.665 1989 1.895 1990 -2.785 1991 -10.32 1992 -13.76 1993 -8.072 1994 -2.025 1995 4.118 1996 4.325 1997 10.33 1998 5.163 1999 -0.05079 2000 7.85 2001 6.546 2002 7.488 2003 5.466 2004 8.751 2005 10.71 2006 10.18 2007 7.581 2008 -4.098 2009 -14.07 2010 3.315 2011 8.228 2012 7.547 2013 1.388