Summary statistics for rn_drctr_prtm_cnt variable in pos2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
rn_drctr_p~t |    108,700    .0034804    .3534742          0        100

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