Summary statistics for mdcl_drctr_prtm_cnt variable in pos1991 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
mdcl~rtm_cnt |     81,041    .0378307    5.278216          0    1111.11

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