Summary statistics for actvty_profnl_prtm_cnt variable in pos1996 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
a~l_prtm_cnt |     84,663    .1764235    33.64447          0       9775

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