Summary statistics for rn_drctr_cntrct_cnt variable in pos2013 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
rn_drctr_c~t |     38,155    .0054763    .0809319          0       3.43

by Jean Roth , jroth@nber.org , 26 Jan 2016