Year Total 1801 0.0236 1802 0.0236 1803 0.0236 1804 0.0236 1805 0.0236 1806 0.0236 1807 0.0236 1808 0.0236 1809 0.0236 1810 0.0236 1811 0.0236 1812 0.0236 1813 0.0236 1814 0.0236 1815 0.0236 1816 0.0236 1817 0.0236 1818 0.0236 1819 0.0236 1820 0.0236 1821 0.5822 1822 0.5822 1823 0.5822 1824 0.5822 1825 0.5822 1826 0.5822 1827 0.5822 1828 0.5822 1829 0.5822 1830 0.5822 1831 0.5822 1832 0.5822 1833 0.5822 1834 0.5822 1835 0.5822 1836 0.5822 1837 0.5822 1838 0.5822 1839 0.5822 1840 0.5822 1841 0.5822 1842 0.5822 1843 0.5822 1844 0.5822 1845 0.5822 1846 0.5822 1847 0.5822 1848 0.5822 1849 0.5822 1850 0.5822 1851 0.5822 1852 0.5822 1853 0.5822 1854 0.5822 1855 0.5822 1856 0.5822 1857 0.5822 1858 0.5822 1859 0.5822 1860 0.5822 1861 0.5822 1862 0.5822 1863 0.5822 1864 0.5822 1865 0.5822 1866 0.5822 1867 0.5822 1868 0.5822 1869 0.5822 1870 0.5822 1871 1.143 1872 1.143 1873 1.143 1874 1.142 1875 1.144 1876 1.143 1877 1.142 1878 1.143 1879 1.143 1880 1.143 1881 1.143 1882 1.143 1883 1.143 1884 1.143 1885 1.143 1886 1.142 1887 1.143 1888 1.143 1889 1.143 1890 1.143 1891 1.142 1892 1.143 1893 1.143 1894 1.143 1895 1.143 1896 1.142 1897 1.143 1898 1.142 1899 1.142 1900 1.144 1901 1.143 1902 1.143 1903 1.144 1904 1.143 1905 1.143 1906 1.144 1907 1.142 1908 1.143 1909 1.142 1910 1.143 1911 1.143 1912 1.143 1913 1.143 1914 1.644 1915 1.644 1916 1.644 1917 1.644 1918 1.645 1919 1.644 1920 1.644 1921 1.644 1922 1.645 1923 1.644 1924 1.644 1925 1.645 1926 1.644 1927 1.644 1928 1.645 1929 1.644 1930 1.644 1931 1.644 1932 1.644 1933 1.644 1934 1.644 1935 1.644 1936 1.644 1937 1.644 1938 1.644 1939 45.45 1940 45.45 1941 45.45 1942 45.45 1943 45.45 1944 45.45 1945 45.45 1946 45.45 1947 45.45 1948 45.45 1949 45.45 1950 45.45 1951 11.08 1952 7.14 1953 9.578 1954 9.929 1955 0.2966 1956 5.213 1957 -0.5407 1958 0.3529 1959 6.534 1960 7.438 1961 1.87 1962 15.12 1963 9.023 1964 12.85 1965 3.934 1966 13.06 1967 2.305 1968 8.57 1969 2.049 1970 58.3 1971 8.533 1972 5.088 1973 -5.788 1974 -12.42 1975 -12.03 1976 5.941 1977 -4.537 1978 6.208 1979 12.53 1980 -21 1981 -18.59 1982 -11.61 1983 8.022 1984 5.452 1985 -5.046 1986 9.384 1987 -3.008 1988 3.86 1989 5.931 1990 -23.03 1991 28.87 1992 13.07 1993 19.72 1994 -2.551 1995 -6.665 1996 -7.415 1997 -0.1558 1998 -0.7939 1999 -0.3565 2000 5.622 2001 0.2783 2002 2.589 2003 15.78 2004 10.01 2005 9.938 2006 4.944 2007 3.305 2008 5.381 2009 -4.698 2010 -1.772 2011 6.493 2012 6.011 2013 0.3773