Summary statistics for s3_1_c4_02061 variable in hcris2552_96_1996 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
s3_1_c4_0~61 |          1        1720           .       1720       1720

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