Summary statistics for tot_afltd_amblnc_srvc_cnt variable in pos2014 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
tot_a~vc_cnt |     12,286    .0032557    .0637134          0          2

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