Summary statistics for mdcl_scl_workr_vlntr_cnt variable in pos2015 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
mdcl_~tr_cnt |      5,833    .0659523    .8126509          0         50

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