Summary statistics for rn_drctr_prtm_cnt variable in pos1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
rn_drctr_p~t |     94,568    .0044982    .3194849          0      57.14

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