Summary statistics for s3_1_c5_02070 variable in hcris2552_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
s3_1_c5_0~70 |          1          21           .         21         21

by Jean Roth , jroth@nber.org , 6 Sep 2018