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