Summary statistics for physn_othr_prtm_cnt variable in pos2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
p~r_prtm_cnt |    108,700    .0040966    .3056138          0      74.29

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