Summary statistics for mdcl_drctr_prtm_cnt variable in pos1995 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
mdcl~rtm_cnt |     96,723    .0049953    .2989982          0      57.17

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