Summary statistics for s3_1_c4_02185 variable in hcris2552_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
s3_1_c4_0~85 |          1          18           .         18         18

by Jean Roth , jroth@nber.org , 9 Sep 2018