Summary statistics for scl_srvc_othr_stf_cntrct_cnt variable in pos1998 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
scl_sr~t_cnt |     91,904    .0034082    .4140647          0     124.29

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