Summary statistics for actvty_stf_othr_cntrct_cnt variable in pos2001 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
actvty_stf.. |     99,429    .0061034    .6284821          0     191.43

by Jean Roth , jroth@nber.org , 17 May 2017