Summary statistics for physn_othr_prtm_cnt variable in pos1994 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
p~r_prtm_cnt |     92,894    .0033049    .1364441          0      28.57

by Jean Roth , jroth@nber.org , 17 May 2017