year  wymidx-jjas
1948   2.080
1949   0.922
1950   1.253
1951  -0.428
1952   0.832
1953   0.390
1954   1.861
1955   0.905
1956   0.726
1957  -0.034
1958   1.196
1959   0.416
1960   1.292
1961   1.632
1962   0.356
1963  -0.381
1964   1.336
1965   0.411
1966  -0.235
1967   0.982
1968   0.430
1969   0.195
1970   1.368
1971   0.523
1972  -2.087
1973   0.288
1974  -0.525
1975   0.547
1976  -0.122
1977  -0.014
1978   1.000
1979  -1.358
1980   0.634
1981   0.951
1982   0.211
1983  -0.359
1984   0.220
1985   1.468
1986   0.109
1987  -1.158
1988   0.444
1989  -0.218
1990   0.774
1991   0.188
1992  -0.650
1993   0.099
1994   0.394
1995  -0.108
1996  -0.584
1997  -1.878
1998   0.141
1999   0.552
2000  -0.087
2001   0.206
2002  -0.647
2003  -0.342
2004  -0.156
2005   0.230
2006  -0.535
2007  -0.586
2008  -0.452
2009  -2.250
2010  -1.755
2011  -1.522
2012  -1.275
2013  -0.947
2014  -1.438
2015  -3.344
2016  -0.682
2017   0.043
2018  -0.584
2019  -0.870