Summary statistics for tot_afltd_amblnc_srvc_cnt variable in pos2018 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
tot_a~vc_cnt |     12,582    .0057225    .0941784          0          5

by Jean Roth , jroth@nber.org , 15 Feb 2019