Summary statistics for mdcl_tchnlgst_cnt variable in pos2014 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
mdcl_tchnl~t |     12,286    4.252765    16.87568          0     507.53

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