Summary statistics for SCL_SRVC_OTHR_STF_CNTRCT_CNT variable in pos2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
SCL_SR~T_CNT |     37,813    .0070894    .2960822          0         48

by Jean Roth , jroth@nber.org , 19 Apr 2019