Year Total 1801 0.1039 1802 0.1039 1803 0.1039 1804 0.1039 1805 0.1039 1806 0.1039 1807 0.1039 1808 0.1039 1809 0.1039 1810 0.1039 1811 0.1039 1812 0.1039 1813 0.1039 1814 0.1039 1815 0.1039 1816 0.1039 1817 0.1039 1818 0.1039 1819 0.1039 1820 0.1039 1821 1.346 1822 1.346 1823 1.346 1824 1.346 1825 1.346 1826 1.346 1827 1.346 1828 1.346 1829 1.346 1830 1.346 1831 1.346 1832 1.346 1833 1.346 1834 1.346 1835 1.346 1836 1.346 1837 1.346 1838 1.346 1839 1.346 1840 1.346 1841 1.346 1842 1.346 1843 1.346 1844 1.346 1845 1.346 1846 1.346 1847 1.346 1848 1.346 1849 1.346 1850 1.346 1851 1.346 1852 1.346 1853 1.346 1854 1.346 1855 1.346 1856 1.346 1857 1.346 1858 1.346 1859 1.346 1860 1.346 1861 1.346 1862 1.346 1863 1.346 1864 1.346 1865 1.346 1866 1.346 1867 1.346 1868 1.346 1869 1.346 1870 1.346 1871 2.622 1872 2.622 1873 2.622 1874 2.622 1875 2.622 1876 2.622 1877 2.622 1878 2.622 1879 2.622 1880 2.622 1881 2.622 1882 2.622 1883 2.622 1884 2.622 1885 2.622 1886 2.622 1887 2.622 1888 2.622 1889 2.622 1890 2.622 1891 1.568 1892 1.568 1893 1.568 1894 1.568 1895 1.568 1896 1.568 1897 1.568 1898 1.568 1899 1.568 1900 1.568 1901 2.495 1902 2.495 1903 2.495 1904 2.495 1905 2.495 1906 2.495 1907 2.495 1908 2.495 1909 2.495 1910 2.495 1911 0.884 1912 0.884 1913 0.8841 1914 0.5288 1915 0.5288 1916 0.5288 1917 0.5288 1918 0.5288 1919 0.5288 1920 0.5288 1921 1.878 1922 2.368 1923 4.633 1924 6.599 1925 4.345 1926 6.4 1927 -2.16 1928 8.21 1929 4.716 1930 -2.497 1931 -3.53 1932 -9.762 1933 2.593 1934 3.204 1935 -1.999 1936 12.42 1937 1.151 1938 7.457 1939 4.999 1940 -0.00389 1941 -0.00391 1942 -0.00393 1943 -0.00387 1944 -0.00395 1945 -0.00388 1946 -0.00395 1947 -0.00388 1948 18.75 1949 9.347 1950 -6.774 1951 3.434 1952 -8.209 1953 14.35 1954 5.021 1955 5.742 1956 -2.448 1957 16.36 1958 3.86 1959 11.89 1960 5.967 1961 4.128 1962 1.545 1963 10.07 1964 9.23 1965 2.268 1966 4.883 1967 1.272 1968 1.681 1969 10.84 1970 4.613 1971 11.32 1972 3.316 1973 3.361 1974 12.94 1975 0.09712 1976 3.186 1977 7.434 1978 5.725 1979 7.014 1980 5.111 1981 1.904 1982 0.6859 1983 0.8048 1984 2.45 1985 0.7478 1986 4.061 1987 -1.129 1988 -1.392 1989 -1.253 1990 -7.23 1991 -8.878 1992 -5.447 1993 2.867 1994 5.347 1995 4.123 1996 3.653 1997 4.915 1998 3.603 1999 5.324 2000 4.104 2001 3.078 2002 3.624 2003 2.791 2004 4.475 2005 4.243 2006 5.799 2007 6.876 2008 3.688 2009 -8.577 2010 0.7971 2011 0.7057 2012 -2.554 2013 -1.038