year  wymidx-jun
1948   1.401
1949   0.545
1950   0.294
1951  -0.252
1952   0.553
1953  -0.072
1954   1.091
1955   1.015
1956   0.169
1957  -0.563
1958   0.107
1959  -0.915
1960   0.983
1961   0.034
1962   0.286
1963  -0.341
1964   0.442
1965   1.436
1966   0.075
1967  -0.354
1968  -0.177
1969   0.740
1970   1.241
1971   1.541
1972  -1.817
1973  -0.011
1974  -0.140
1975   1.001
1976  -0.085
1977  -0.080
1978   1.577
1979  -1.512
1980   0.379
1981   0.169
1982  -0.182
1983  -1.583
1984   1.612
1985   2.492
1986   0.805
1987  -0.708
1988   0.608
1989   0.332
1990   0.992
1991  -0.369
1992  -1.445
1993  -0.695
1994   1.416
1995  -0.506
1996  -1.180
1997  -2.544
1998   0.051
1999   0.416
2000   0.657
2001   1.311
2002   0.264
2003  -0.377
2004   1.035
2005   0.193
2006  -0.649
2007  -0.792
2008  -0.556
2009  -2.815
2010  -1.242
2011  -0.663
2012  -0.242
2013  -0.553
2014  -1.063
2015  -1.662
2016  -0.527
2017   0.544
2018   0.252
2019  -1.389