Year Total 1801 0 1802 0 1803 0 1804 0 1805 0 1806 0 1807 0 1808 0 1809 0 1810 0 1811 0 1812 0 1813 0 1814 0 1815 0 1816 0 1817 0 1818 0 1819 0 1820 0 1821 2.116 1822 2.116 1823 2.116 1824 2.116 1825 2.116 1826 2.116 1827 2.116 1828 2.116 1829 2.116 1830 2.116 1831 2.116 1832 2.116 1833 2.116 1834 2.116 1835 2.116 1836 2.116 1837 2.116 1838 2.116 1839 2.116 1840 2.116 1841 2.116 1842 2.116 1843 2.116 1844 2.116 1845 2.116 1846 2.116 1847 2.116 1848 2.116 1849 2.116 1850 2.116 1851 3.255 1852 3.255 1853 3.255 1854 3.255 1855 3.255 1856 3.255 1857 3.255 1858 3.255 1859 3.255 1860 3.255 1861 3.255 1862 3.255 1863 3.255 1864 3.255 1865 3.255 1866 3.255 1867 3.255 1868 3.255 1869 3.255 1870 3.255 1871 -1.686 1872 -4.374 1873 1.211 1874 -0.9747 1875 1.566 1876 1.806 1877 1.298 1878 -8.8 1879 8.056 1880 8.756 1881 7.573 1882 6.484 1883 1.775 1884 -2.769 1885 -6.118 1886 -3.071 1887 17.62 1888 -1.314 1889 -0.6325 1890 17.05 1891 1.002 1892 3.457 1893 1.589 1894 0.8088 1895 5.215 1896 2.135 1897 5.052 1898 5.686 1899 7.128 1900 5.629 1901 -4.834 1902 -0.3955 1903 6.437 1904 1.001 1905 0.4471 1906 2.71 1907 3.806 1908 0.1997 1909 -4.239 1910 6.678 1911 -2.128 1912 0.2537 1913 7.32 1914 -1.431 1915 -4.767 1916 4.575 1917 5.284 1918 -7.805 1919 6.769 1920 -5.098 1921 -2.023 1922 3.81 1923 -0.8403 1924 6.33 1925 6.278 1926 7.469 1927 0.4415 1928 2.113 1929 5.124 1930 -4.636 1931 -4.238 1932 -4.484 1933 1.439 1934 10.42 1935 -5.61 1936 -0.01432 1937 6.947 1938 -0.7902 1939 -2.39 1940 6.127 1941 2.633 1942 3.987 1943 -1.27 1944 -8.015 1945 -0.2286 1946 -2.978 1947 4.931 1948 11.16 1949 6.455 1950 15.5 1951 4.737 1952 3.197 1953 0.6848 1954 1.717 1955 5.197 1956 0.2375 1957 1.068 1958 2.599 1959 1.037 1960 3.157 1961 1.568 1962 3.194 1963 1.792 1964 4.645 1965 3.074 1966 -1.165 1967 9.151 1968 7.454 1969 4.024 1970 4.832 1971 -0.7466 1972 2.184 1973 4.187 1974 3.581 1975 2.609 1976 3.149 1977 6.718 1978 6.248 1979 6.329 1980 5.387 1981 6.223 1982 4.835 1983 5.199 1984 5.077 1985 4.285 1986 4.976 1987 0.9172 1988 2.565 1989 2.566 1990 6.378 1991 4.636 1992 4.301 1993 6.568 1994 5.094 1995 4.986 1996 3.273 1997 5.829 1998 4.129 1999 3.873 2000 5.804 2001 -1.488 2002 4.228 2003 6.309 2004 5.834 2005 6.404 2006 8.012 2007 7.075 2008 6.17 2009 3.713 2010 8.164 2011 8.468 2012 6.627 2013 7.309