1880 0.0614 1881 0.0413 1882 -0.0272 1883 -0.0340 1884 -0.0773 1885 -0.0258 1886 0.1214 1887 0.1196 1888 0.1933 1889 0.1962 1890 -0.1461 1891 0.0328 1892 -0.0933 1893 -0.0072 1894 -0.2452 1895 -0.0961 1896 0.1052 1897 0.1083 1898 0.0727 1899 0.1260 1900 0.0959 1901 0.0870 1902 -0.1028 1903 -0.1938 1904 -0.3481 1905 -0.2033 1906 -0.0736 1907 -0.2272 1908 -0.1303 1909 -0.1370 1910 -0.2473 1911 -0.2131 1912 -0.2273 1913 -0.3869 1914 -0.2891 1915 0.0948 1916 -0.0750 1917 -0.2780 1918 -0.2589 1919 -0.1847 1920 -0.3335 1921 -0.2185 1922 -0.3183 1923 -0.3222 1924 -0.1504 1925 -0.1572 1926 0.0882 1927 0.1126 1928 -0.0029 1929 -0.1085 1930 0.0142 1931 0.1817 1932 0.2321 1933 0.1963 1934 -0.0039 1935 0.0215 1936 0.1541 1937 0.2972 1938 0.2447 1939 0.1126 1940 -0.0264 1941 0.1773 1942 0.1866 1943 0.0360 1944 0.3520 1945 0.2227 1946 0.0218 1947 -0.0827 1948 0.0150 1949 0.0940 1950 -0.0066 1951 0.2051 1952 0.2966 1953 0.2660 1954 0.0448 1955 0.1942 1956 -0.0175 1957 0.0422 1958 0.2156 1959 0.0544 1960 0.2369 1961 0.1013 1962 0.0737 1963 0.0062 1964 -0.0940 1965 -0.1578 1966 0.0058 1967 -0.0963 1968 -0.1654 1969 0.0110 1970 -0.1018 1971 -0.3108 1972 -0.3527 1973 -0.2151 1974 -0.4198 1975 -0.2984 1976 -0.3634 1977 -0.1888 1978 -0.1793 1979 -0.1097 1980 -0.0176 1981 -0.0753 1982 -0.2114 1983 -0.0693 1984 -0.2057 1985 -0.2653 1986 -0.2725 1987 0.0692 1988 -0.0022 1989 -0.0798 1990 -0.0351 1991 -0.1286 1992 -0.2155 1993 -0.2067 1994 -0.1728 1995 0.1393 1996 -0.0535 1997 0.0564 1998 0.3772 1999 0.1228 2000 0.0337 2001 0.1245 2002 0.0707 2003 0.2371 2004 0.2126 2005 0.2984 2006 0.2734 2007 0.1546 2008 0.1457 2009 0.0467 2010 0.3578