Summary statistics for s3_1_c4_02042 variable in hcris2552_96_1998 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
s3_1_c4_0~42 |          1        1752           .       1752       1752

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