Summary statistics for physn_othr_prtm_cnt variable in pos2013 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
p~r_prtm_cnt |     38,155    .0119279    .5190518          0      74.29

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