Summary statistics for thrptc_rcrtnl_cntrct_cnt variable in pos1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
thrptc~t_cnt |     89,140    .0034068    .1265454          0      22.86

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