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 0.9426
1822 0.9426
1823 0.9426
1824 0.9426
1825 0.9426
1826 0.9426
1827 0.9426
1828 0.9426
1829 0.9426
1830 0.9425
1831 0.9426
1832 0.9426
1833 0.9426
1834 0.9426
1835 0.9426
1836 0.9426
1837 0.9426
1838 0.9426
1839 0.9426
1840 0.9426
1841 0.9426
1842 0.9426
1843 0.9426
1844 0.9426
1845 0.9426
1846 0.9426
1847 0.9426
1848 0.9426
1849 0.9426
1850 0.9426
1851 0.9426
1852 0.9426
1853 0.9426
1854 0.9426
1855 0.9426
1856 0.9426
1857 0.9426
1858 0.9426
1859 0.9426
1860 0.9426
1861 0.9425
1862 0.9426
1863 0.9426
1864 0.9426
1865 0.9426
1866 0.9426
1867 0.9426
1868 0.9426
1869 0.9426
1870 0.9426
1871 0.9426
1872 0.9426
1873 0.9426
1874 0.9426
1875 0.9426
1876 0.9426
1877 0.9426
1878 0.9426
1879 0.9426
1880 0.9426
1881 0.9426
1882 0.9426
1883 0.9426
1884 0.9426
1885 0.9426
1886 0.9426
1887 0.9426
1888 0.9426
1889 0.9426
1890 0.9426
1891 0.9426
1892 0.9426
1893 0.9426
1894 0.9426
1895 0.9426
1896 0.9426
1897 0.9426
1898 0.9426
1899 0.9426
1900 0.9426
1901 0.9426
1902 0.9426
1903 0.9426
1904 0.9426
1905 0.9426
1906 0.9426
1907 0.9426
1908 0.9426
1909 0.9426
1910 0.9426
1911 0.9426
1912 0.9426
1913 0.9426
1914 0.9426
1915 0.9426
1916 0.9426
1917 0.9426
1918 0.9426
1919 0.9426
1920 0.9426
1921 0.9426
1922 0.9426
1923 0.9426
1924 0.9426
1925 0.9426
1926 0.9426
1927 0.9426
1928 0.9426
1929 0.9426
1930 0.9426
1931 0.9426
1932 0.9426
1933 0.9426
1934 0.9426
1935 0.9426
1936 0.9426
1937 0.9426
1938 0.9426
1939 0.9426
1940 0.9426
1941 0.9426
1942 0.9426
1943 0.9426
1944 0.9426
1945 0.9426
1946 0.9426
1947 0.9426
1948 0.9426
1949 0.9426
1950 0.9426
1951 2.872
1952 2.843
1953 2.909
1954 2.788
1955 2.935
1956 2.896
1957 2.935
1958 2.885
1959 2.98
1960 2.054
1961 -0.1276
1962 -0.221
1963 5.896
1964 3.933
1965 0.6583
1966 3.451
1967 2.543
1968 3.036
1969 -1.137
1970 5.534
1971 2.916
1972 4.643
1973 -2.891
1974 -2.911
1975 13.29
1976 12.96
1977 7.243
1978 -2.2
1979 24.61
1980 -11.36
1981 -2.942
1982 -5.301
1983 4.85
1984 4.689
1985 2.331
1986 6.15
1987 1.53
1988 -0.5729
1989 9.841
1990 0.6637
1991 -0.7518
1992 8.799
1993 -1.896
1994 3.174
1995 7.542
1996 4.748
1997 7.167
1998 5.365
1999 7.225
2000 4.263
2001 12.74
2002 4.911
2003 7.846
2004 3.003
2005 6.686
2006 5.252
2007 4.298
2008 4.979
2009 4.457
2010 5.819
2011 2.659
2012 -0.06874
2013 1.616