Summary statistics for tot_afltd_amblnc_srvc_cnt variable in pos2016 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
tot_a~vc_cnt |     12,461    .0047348    .0862639          0          5

by Jean Roth , jroth@nber.org , 10 Jan 2017