Year Total
1801 0.2265
1802 0.2265
1803 0.2266
1804 0.2265
1805 0.2266
1806 0.2265
1807 0.2266
1808 0.2265
1809 0.2266
1810 0.2265
1811 0.2265
1812 0.2265
1813 0.2266
1814 0.2265
1815 0.2265
1816 0.2265
1817 0.2266
1818 0.2265
1819 0.2266
1820 0.2265
1821 1.111
1822 1.111
1823 1.111
1824 1.111
1825 1.111
1826 1.111
1827 1.111
1828 1.111
1829 1.111
1830 1.111
1831 1.111
1832 1.111
1833 1.111
1834 1.111
1835 1.111
1836 1.111
1837 1.111
1838 1.111
1839 1.111
1840 1.111
1841 1.111
1842 1.111
1843 1.111
1844 1.111
1845 1.111
1846 1.111
1847 1.111
1848 1.111
1849 1.111
1850 1.111
1851 1.111
1852 1.111
1853 1.111
1854 1.111
1855 1.111
1856 1.111
1857 1.111
1858 1.111
1859 1.111
1860 1.111
1861 1.111
1862 1.111
1863 1.111
1864 1.111
1865 1.111
1866 1.111
1867 1.111
1868 1.111
1869 1.111
1870 1.111
1871 1.607
1872 1.607
1873 1.607
1874 1.607
1875 1.607
1876 1.607
1877 1.607
1878 1.607
1879 1.607
1880 1.607
1881 1.607
1882 1.607
1883 1.607
1884 1.607
1885 1.607
1886 1.607
1887 1.607
1888 1.607
1889 1.607
1890 1.607
1891 1.607
1892 1.607
1893 1.607
1894 1.607
1895 1.607
1896 1.607
1897 1.607
1898 1.607
1899 1.607
1900 1.607
1901 1.607
1902 1.607
1903 1.607
1904 1.607
1905 1.607
1906 1.607
1907 1.607
1908 1.607
1909 1.607
1910 1.607
1911 1.607
1912 1.607
1913 1.607
1914 2.956
1915 2.956
1916 2.956
1917 2.956
1918 2.956
1919 2.956
1920 2.956
1921 2.956
1922 2.956
1923 2.956
1924 2.956
1925 2.956
1926 2.956
1927 2.956
1928 2.956
1929 2.956
1930 2.956
1931 2.956
1932 2.956
1933 2.956
1934 2.956
1935 2.956
1936 2.956
1937 2.956
1938 2.956
1939 2.956
1940 2.956
1941 2.956
1942 2.956
1943 2.956
1944 2.956
1945 2.956
1946 2.956
1947 2.956
1948 2.956
1949 2.956
1950 2.956
1951 -0.4818
1952 -0.3902
1953 -0.1799
1954 -0.2133
1955 -0.1787
1956 8.741
1957 13.81
1958 11.5
1959 8.408
1960 9.523
1961 8.329
1962 1.816
1963 10.87
1964 7.102
1965 12.12
1966 9.89
1967 11.22
1968 15.05
1969 12.98
1970 10.58
1971 12.37
1972 16.25
1973 8.61
1974 8.922
1975 4.976
1976 17.43
1977 -1.119
1978 -11.68
1979 -8.629
1980 -14.38
1981 -3.427
1982 15.47
1983 13.17
1984 1.747
1985 2.532
1986 -9.206
1987 -0.8279
1988 -4.735
1989 4.318
1990 9.102
1991 9.273
1992 5.9
1993 3.34
1994 3.768
1995 3.893
1996 6.38
1997 5.696
1998 2.594
1999 2.755
2000 5.846
2001 4.242
2002 5.37
2003 7.23
2004 7.186
2005 5.086
2006 5.82
2007 6.472
2008 0.5067
2009 3.702
2010 5.47
2011 3.052
2012 -5.812
2013 -1.893