Summary statistics for tot_afltd_amblnc_srvc_cnt variable in pos2017 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
tot_a~vc_cnt |     12,523    .0051904    .0887645          0          5

by Jean Roth , jroth@nber.org , 9 Jan 2018