1880  -0.0714
1881   0.0119
1882  -0.1621
1883  -0.1401
1884  -0.1857
1885  -0.1570
1886   0.0339
1887   0.0051
1888   0.0360
1889  -0.0483
1890  -0.0815
1891   0.0041
1892  -0.0191
1893   0.0587
1894  -0.0511
1895  -0.1591
1896   0.0750
1897   0.0316
1898   0.1495
1899   0.0594
1900   0.0655
1901   0.1276
1902   0.0162
1903  -0.0005
1904  -0.1288
1905  -0.1482
1906  -0.0542
1907  -0.1105
1908   0.0338
1909   0.0805
1910   0.0425
1911   0.0952
1912  -0.1426
1913  -0.1467
1914  -0.1811
1915   0.0734
1916   0.0940
1917   0.0145
1918  -0.0396
1919  -0.0149
1920  -0.1538
1921  -0.0427
1922  -0.1057
1923  -0.1547
1924  -0.0040
1925   0.0127
1926   0.0922
1927   0.2347
1928   0.1517
1929   0.1275
1930   0.0430
1931   0.2796
1932   0.3788
1933   0.3877
1934   0.2203
1935   0.1894
1936   0.2452
1937   0.2957
1938   0.2690
1939   0.2022
1940   0.2414
1941   0.1541
1942   0.0887
1943  -0.0322
1944   0.1294
1945   0.2420
1946  -0.0165
1947  -0.0954
1948   0.0388
1949   0.1360
1950   0.0476
1951   0.2157
1952   0.1771
1953   0.1854
1954   0.1451
1955   0.2292
1956   0.1561
1957  -0.0692
1958   0.1057
1959  -0.0443
1960   0.1117
1961   0.0807
1962   0.0282
1963  -0.0205
1964  -0.0268
1965  -0.0519
1966  -0.0260
1967  -0.0444
1968  -0.1313
1969  -0.0908
1970  -0.1115
1971  -0.1682
1972  -0.3061
1973  -0.2709
1974  -0.2706
1975  -0.1883
1976  -0.1552
1977  -0.2456
1978  -0.1552
1979  -0.1345
1980  -0.0621
1981  -0.0855
1982  -0.1622
1983  -0.2290
1984  -0.1508
1985  -0.2468
1986  -0.3030
1987  -0.1160
1988  -0.1028
1989  -0.1041
1990  -0.1821
1991  -0.2664
1992  -0.3298
1993  -0.2683
1994  -0.3175
1995  -0.0170
1996  -0.0929
1997  -0.1609
1998  -0.0168
1999   0.1212
2000  -0.0266
2001  -0.0610
2002  -0.0929
2003  -0.0510
2004   0.0527
2005   0.1372
2006   0.1493
2007   0.0774
2008   0.1981
2009  -0.0994
2010   0.1609