Summary statistics for mentl_hlth_srvc_cntrct_cnt variable in pos2014 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
mentl_~t_cnt |     38,347    .1546272    8.850894          0     999.99

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