Summary statistics for mdcl_tchnlgst_cnt variable in pos2018 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
mdcl_tchnl~t |     12,582    4.511613    17.99813          0     507.53

by Jean Roth , jroth@nber.org , 15 Feb 2019