Summary statistics for scl_srvc_othr_stf_cntrct_cnt variable in pos1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
scl_sr~t_cnt |     89,140    .0033857    .1850567          0      35.71

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