Script Output

s021:  country - wave - study - set - year      Number of Observations
------------------------------------------  ------------------------------
                                            Total   Integers   Nonintegers
|  #                         Negative         585       585          -
|  #                         Zero               -         -          -
|  #                         Positive           -         -          -
|  #                                        -----     -----      -----
|  #                         Total            585       585          -
|  #                         Missing            -
+----------------------                     -----
-4                                            585
   (1 unique value)

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
        s021 |       585          -4           0         -4         -4
@mean    -4.000
@sd     0.000
@min    -4.000
@max    -4.000
@values -4
@type double
@label country - wave - study - set - year
@class constant
@N_unique 1
@N 585