1901    0.4149
1902   -0.3221
1903    0.0804
1904    0.5526
1905    0.0834
1906   -0.4349
1907    0.2830
1908   -1.3955
1909   -1.2816
1910   -0.9033
1911   -0.8014
1912   -0.9759
1913   -1.1284
1914   -0.1665
1915   -0.6443
1916   -0.7978
1917    0.6404
1918    0.6126
1919   -0.5589
1920    0.6100
1921    0.1602
1922    0.2461
1923    0.1638
1924   -0.2848
1925    0.2033
1926    0.4218
1927    0.2411
1928    0.1256
1929    0.0183
1930    0.2880
1931   -0.5810
1932   -0.5662
1933   -0.6345
1934    0.8400
1935    0.6889
1936    1.1983
1937   -0.0876
1938    0.1758
1939    0.2641
1940    0.6016
1941   -0.1581
1942   -0.0053
1943    0.6193
1944    0.1879
1945    0.0040
1946   -0.5202
1947    0.1505
1948    0.2752
1949    0.2440
1950    0.3783
1951    0.2781
1952   -0.5510
1953   -0.9966
1954   -0.3815
1955   -0.2017
1956    0.8068
1957    1.4524
1958    0.4817
1959    0.7225
1960   -0.5129
1961   -0.0970
1962    1.0731
1963    1.5237
1964   -0.1982
1965    0.7032
1966   -0.1420
1967    0.9502
1968    1.1500
1969   -0.6930
1970    0.0322
1971   -0.4517
1972    0.4551
1973   -0.9420
1974    0.1536
1975   -0.7123
1976   -1.0909
1977    0.0851
1978    0.1079
1979    0.0533
1980   -0.3419
1981    0.1888
1982    0.2158
1983   -0.7916
1984    0.2325
1985    0.0978
1986    0.7164
1987   -1.4843
1988   -1.8712
1989    0.3488
1990    0.7501
1991    0.4688
1992    1.0336
1993    0.5225
1994    0.7625
1995   -0.0040
1996    1.3335
1997    0.7303
1998   -1.2422
1999   -2.3039
2000   -0.9454
2001   -1.7293
2002   -0.8647
2003   -0.5625
2004    0.3772
2005    0.4907
2006   -0.1624
2007   -1.2049
2008   -0.9154
2009   -0.1987
2010   -1.1304
2011   -0.1161
2012   -0.5693
2013    0.5650
2014    1.8087
2015    1.5480
2016   -0.3836
2017   -0.4687
2018    0.6035
2019    0.7144
2020    0.7117
2021    0.0935
2022    1.4169
2023    1.0128