1880   0.0383
1881  -0.0712
1882  -0.0277
1883  -0.1082
1884  -0.1758
1885  -0.2156
1886  -0.1154
1887   0.0373
1888   0.0588
1889  -0.0177
1890  -0.0145
1891  -0.0949
1892  -0.0161
1893  -0.0287
1894   0.1286
1895  -0.1487
1896  -0.1014
1897   0.0667
1898   0.0434
1899   0.1407
1900   0.0946
1901   0.0362
1902   0.1376
1903   0.0092
1904  -0.0144
1905  -0.1639
1906  -0.1665
1907   0.0198
1908  -0.1302
1909   0.0857
1910   0.0674
1911   0.0619
1912   0.0227
1913  -0.1413
1914  -0.1612
1915  -0.1628
1916   0.1293
1917   0.0781
1918   0.0051
1919  -0.0625
1920  -0.0055
1921  -0.1773
1922  -0.0177
1923  -0.1434
1924  -0.1207
1925   0.0056
1926   0.0007
1927   0.1563
1928   0.2412
1929   0.1283
1930   0.1054
1931   0.0885
1932   0.3030
1933   0.3663
1934   0.4248
1935   0.1664
1936   0.1698
1937   0.2442
1938   0.3540
1939   0.2512
1940   0.1700
1941   0.2556
1942   0.1197
1943   0.0774
1944  -0.0288
1945   0.1692
1946   0.1812
1947  -0.0270
1948  -0.0778
1949   0.0630
1950   0.1634
1951   0.0234
1952   0.2136
1953   0.1997
1954   0.1850
1955   0.1277
1956   0.3051
1957   0.0441
1958  -0.0612
1959   0.1049
1960  -0.0553
1961   0.1470
1962   0.0777
1963   0.0309
1964  -0.0780
1965  -0.0025
1966  -0.0864
1967   0.0228
1968  -0.0712
1969  -0.1518
1970  -0.0973
1971  -0.1040
1972  -0.1560
1973  -0.4042
1974  -0.1822
1975  -0.3230
1976  -0.1247
1977  -0.2285
1978  -0.1976
1979  -0.1380
1980  -0.1420
1981  -0.0755
1982  -0.0500
1983  -0.2702
1984  -0.1363
1985  -0.1987
1986  -0.2328
1987  -0.3494
1988  -0.0472
1989  -0.0896
1990  -0.1290
1991  -0.1721
1992  -0.3044
1993  -0.3297
1994  -0.2712
1995  -0.2807
1996   0.0344
1997  -0.1438
1998  -0.1566
1999   0.0692
2000   0.0779
2001  -0.0526
2002  -0.0158
2003  -0.1376
2004   0.0051
2005   0.0367
2006   0.1556
2007   0.1493
2008   0.1038
2009   0.1476
2010  -0.1230