Summary statistics for mdcl_drctr_cntrct_cnt variable in pos2014 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
mdcl_d~t_cnt |     38,347    .1606024    7.265377          0     999.99

by Jean Roth , jroth@nber.org , 26 Jan 2016