Summary statistics for actvty_profnl_cntrct_cnt variable in pos1995 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
actvty~t_cnt |     96,723    .0177896    1.367509          0     284.29

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