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 0.4689
1822 0.4689
1823 0.4689
1824 0.4689
1825 0.4689
1826 0.4689
1827 0.4689
1828 0.4689
1829 0.4689
1830 0.4689
1831 0.4689
1832 0.4689
1833 0.4689
1834 0.4689
1835 0.4689
1836 0.4689
1837 0.4689
1838 0.4689
1839 0.4689
1840 0.4689
1841 0.4689
1842 0.4689
1843 0.4689
1844 0.4689
1845 0.4689
1846 0.4689
1847 0.4689
1848 0.4689
1849 0.4689
1850 0.4689
1851 0.4689
1852 0.4689
1853 0.4689
1854 0.4689
1855 0.4689
1856 0.4689
1857 0.4689
1858 0.4689
1859 0.4689
1860 0.4689
1861 0.4689
1862 0.4689
1863 0.4689
1864 0.4689
1865 0.4689
1866 0.4689
1867 0.4689
1868 0.4689
1869 0.4689
1870 0.4689
1871 0.4689
1872 0.4689
1873 0.4689
1874 0.4689
1875 0.4689
1876 0.4689
1877 0.4689
1878 0.4689
1879 0.4689
1880 0.4689
1881 0.4689
1882 0.4689
1883 0.4689
1884 0.4689
1885 0.4689
1886 0.4689
1887 0.4689
1888 0.4689
1889 0.4689
1890 0.4689
1891 0.4689
1892 0.4689
1893 0.4689
1894 0.4689
1895 0.4689
1896 0.4689
1897 0.4689
1898 0.4689
1899 0.4689
1900 0.4689
1901 0.4689
1902 0.4689
1903 0.4689
1904 0.4689
1905 0.4689
1906 0.4689
1907 0.4689
1908 0.4689
1909 0.4689
1910 0.4689
1911 0.4689
1912 0.4689
1913 0.4689
1914 1.634
1915 1.634
1916 1.634
1917 1.634
1918 1.634
1919 1.634
1920 1.634
1921 1.634
1922 1.634
1923 1.634
1924 1.634
1925 1.634
1926 1.634
1927 1.634
1928 1.634
1929 1.634
1930 1.634
1931 1.634
1932 1.634
1933 1.634
1934 1.634
1935 1.634
1936 1.634
1937 5.545
1938 5.545
1939 5.545
1940 5.545
1941 5.545
1942 5.545
1943 5.545
1944 5.545
1945 5.545
1946 5.545
1947 5.545
1948 5.545
1949 5.545
1950 5.545
1951 4.095
1952 4.105
1953 4.078
1954 4.171
1955 4.163
1956 4.142
1957 4.117
1958 4.159
1959 4.016
1960 1.146
1961 1.727
1962 5.716
1963 -1.1
1964 -2.345
1965 0.4776
1966 -1.864
1967 0.5362
1968 -0.5466
1969 6.823
1970 1.977
1971 2.029
1972 -6.639
1973 -4.738
1974 13.78
1975 17.06
1976 -1.792
1977 -7.879
1978 -0.9943
1979 -20.69
1980 -3.962
1981 0.9788
1982 2.742
1983 13.9
1984 3.716
1985 24.24
1986 -3.946
1987 -2.808
1988 15.55
1989 6.262
1990 -6.111
1991 10
1992 2.306
1993 -2.24
1994 5.09
1995 0.3789
1996 3.066
1997 4.202
1998 7.743
1999 2.406
2000 1.249
2001 10.44
2002 10.56
2003 15.39
2004 34.25
2005 8.207
2006 0.6867
2007 0.5278
2008 1.868
2009 -1.048
2010 13.15
2011 0.6832
2012 9.038
2013 3.764