1880  -0.0712
1881  -0.0277
1882  -0.1082
1883  -0.1758
1884  -0.2156
1885  -0.1154
1886   0.0373
1887   0.0588
1888  -0.0177
1889  -0.0145
1890  -0.0949
1891  -0.0161
1892  -0.0287
1893   0.1286
1894  -0.1487
1895  -0.1014
1896   0.0667
1897   0.0434
1898   0.1407
1899   0.0946
1900   0.0362
1901   0.1376
1902   0.0092
1903  -0.0144
1904  -0.1639
1905  -0.1665
1906   0.0198
1907  -0.1302
1908   0.0857
1909   0.0674
1910   0.0619
1911   0.0227
1912  -0.1413
1913  -0.1612
1914  -0.1628
1915   0.1293
1916   0.0781
1917   0.0051
1918  -0.0625
1919  -0.0055
1920  -0.1773
1921  -0.0177
1922  -0.1434
1923  -0.1207
1924   0.0056
1925   0.0007
1926   0.1563
1927   0.2412
1928   0.1283
1929   0.1054
1930   0.0885
1931   0.3030
1932   0.3663
1933   0.4248
1934   0.1664
1935   0.1698
1936   0.2442
1937   0.3540
1938   0.2512
1939   0.1700
1940   0.2556
1941   0.1197
1942   0.0774
1943  -0.0288
1944   0.1692
1945   0.1812
1946  -0.0270
1947  -0.0778
1948   0.0630
1949   0.1634
1950   0.0234
1951   0.2136
1952   0.1997
1953   0.1850
1954   0.1277
1955   0.3051
1956   0.0441
1957  -0.0612
1958   0.1049
1959  -0.0553
1960   0.1470
1961   0.0777
1962   0.0309
1963  -0.0780
1964  -0.0025
1965  -0.0864
1966   0.0228
1967  -0.0712
1968  -0.1518
1969  -0.0973
1970  -0.1040
1971  -0.1560
1972  -0.4042
1973  -0.1822
1974  -0.3230
1975  -0.1247
1976  -0.2285
1977  -0.1976
1978  -0.1380
1979  -0.1420
1980  -0.0755
1981  -0.0500
1982  -0.2702
1983  -0.1363
1984  -0.1987
1985  -0.2328
1986  -0.3494
1987  -0.0472
1988  -0.0896
1989  -0.1290
1990  -0.1721
1991  -0.3044
1992  -0.3297
1993  -0.2712
1994  -0.2807
1995   0.0344
1996  -0.1438
1997  -0.1566
1998   0.0692
1999   0.0779
2000  -0.0526
2001  -0.0158
2002  -0.1376
2003   0.0051
2004   0.0367
2005   0.1556
2006   0.1493
2007   0.1038
2008   0.1476
2009  -0.1230
2010   0.2399