Summary statistics for crdc_cthrtztn_lab_srvc_cd variable in pos2017 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
crdc_cthrt~d |     11,307    .2140267    .5605126          0          3

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