Summary statistics for mentl_hlth_srvc_cntrct_cnt variable in pos2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
mentl_~t_cnt |    125,821     .044485    4.886537          0     999.99

by Jean Roth , jroth@nber.org , 17 May 2017