1943     0.22 
1944    -1.80 
1945    -0.90 
1946     0.18 
1947     1.34 
1948     0.18 
1949    -1.71 
1950    -0.04 
1951     1.12 
1952    -0.36 
1953    -2.07 
1954    -0.39 
1955    -0.33 
1956    -0.86 
1957     0.84 
1958    -0.11 
1959     0.01 
1960     1.43 
1961     0.08 
1962    -0.51 
1963    -0.36 
1964    -1.08 
1965    -1.21 
1966     1.22 
1967    -0.05 
1968    -0.77 
1969    -0.22 
1970     0.16 
1971    -0.67 
1972     0.58 
1973    -0.43 
1974     1.26 
1975     0.24 
1976    -1.54 
1977     1.61 
1978     1.11 
1979     1.46 
1980     0.41 
1981    -0.19 
1982     0.75 
1983    -0.36 
1984     0.09 
1985    -0.30 
1986     1.08 
1987    -0.35 
1988     0.90 
1989    -0.50 
1990     1.10 
1991    -0.23 
1992    -2.14 
1993    -1.34 
1994     1.95 
1995     1.57 
1996    -0.09 
1997    -0.66 
1998    -0.33 
1999     0.23 
2000    -0.89 
2001     1.86 
2002    -0.64 
2003    -0.17 
2004    -0.74 
2005    -1.70 
2006    -0.80 
2007     0.51 
2008     0.07 
2009    -0.41 
2010    -0.02 
2011    -1.29 
2012    -1.24 
2013     0.88 
2014     2.68 
2015    -0.27 
2016     1.75 
2017    -0.54 
2018     1.02 
2019    -0.05 
2020     0.97 
2021     0.60 
2022    -0.78 
2023     0.12