Year Total 1801 0.1058 1802 0.1058 1803 0.1058 1804 0.1058 1805 0.1058 1806 0.1058 1807 0.1058 1808 0.1058 1809 0.1058 1810 0.1058 1811 0.1058 1812 0.1058 1813 0.1058 1814 0.1058 1815 0.1058 1816 0.1058 1817 0.1058 1818 0.1058 1819 0.1058 1820 0.1058 1821 0.8231 1822 0.8231 1823 0.8231 1824 0.8231 1825 0.8232 1826 0.8231 1827 0.8232 1828 0.8231 1829 0.8231 1830 0.8231 1831 0.8231 1832 0.8231 1833 0.8231 1834 0.8231 1835 0.8231 1836 0.8231 1837 0.8232 1838 0.823 1839 0.8231 1840 0.8231 1841 0.8231 1842 0.8231 1843 0.8231 1844 0.8232 1845 0.8231 1846 0.8231 1847 0.823 1848 0.8231 1849 0.8231 1850 0.8231 1851 0.8231 1852 0.8231 1853 0.8231 1854 0.8231 1855 0.8232 1856 0.8231 1857 0.8231 1858 0.8231 1859 0.8231 1860 0.8231 1861 0.8231 1862 0.8231 1863 0.8231 1864 0.8231 1865 0.8232 1866 0.8231 1867 0.8231 1868 0.8231 1869 0.8231 1870 0.8231 1871 0.8231 1872 0.8231 1873 0.8231 1874 0.8231 1875 0.8231 1876 0.8231 1877 0.8231 1878 0.8231 1879 0.8231 1880 0.8232 1881 0.8231 1882 0.8231 1883 0.8231 1884 0.8231 1885 0.8231 1886 0.8231 1887 0.8231 1888 0.8231 1889 0.8231 1890 0.8231 1891 0.8231 1892 0.8231 1893 0.8231 1894 0.8231 1895 0.8231 1896 0.8231 1897 0.8231 1898 0.8231 1899 0.8231 1900 0.8231 1901 0.8231 1902 0.8231 1903 0.8231 1904 0.8231 1905 0.8231 1906 0.8231 1907 0.8231 1908 0.8231 1909 0.8231 1910 0.8231 1911 0.8231 1912 0.8231 1913 0.8231 1914 0.8231 1915 0.8231 1916 0.8231 1917 0.8231 1918 0.8231 1919 0.8231 1920 0.8231 1921 0.8231 1922 0.8231 1923 0.8231 1924 0.8231 1925 0.8231 1926 0.8231 1927 0.8231 1928 0.8231 1929 0.8231 1930 0.8231 1931 0.8231 1932 2.75 1933 2.75 1934 2.75 1935 2.75 1936 2.75 1937 2.75 1938 2.75 1939 2.75 1940 2.75 1941 2.75 1942 2.75 1943 2.75 1944 2.75 1945 2.75 1946 2.75 1947 2.75 1948 2.75 1949 2.75 1950 2.75 1951 6.104 1952 3.488 1953 8.153 1954 4.872 1955 7.8 1956 10.65 1957 8.627 1958 2.103 1959 5.483 1960 3.613 1961 6.204 1962 2.169 1963 1.905 1964 3.501 1965 7.407 1966 -0.1566 1967 0.1807 1968 -12.09 1969 33.71 1970 22.87 1971 8.779 1972 8.456 1973 3.009 1974 2.513 1975 0.9191 1976 -0.7893 1977 -6.242 1978 -2.154 1979 3.803 1980 10.57 1981 12.53 1982 2.634 1983 1.585 1984 -1.907 1985 6.944 1986 2.129 1987 1.111 1988 7.553 1989 5.216 1990 6.983 1991 5.606 1992 -8.942 1993 1.131 1994 9.3 1995 0.1868 1996 10.35 1997 2.636 1998 2.809 1999 -0.9148 2000 -3.174 2001 1.298 2002 -9.048 2003 -17.17 2004 -6.068 2005 -6.044 2006 -3.88 2007 -4.145 2008 -18.15 2009 5.312 2010 8.888 2011 9.795 2012 10.02 2013 4.293