Summary statistics for rn_drctr_cntrct_cnt variable in pos2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
rn_drctr_c~t |    108,700    .0011208    .0353686          0       2.63

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