Summary statistics for rn_drctr_prtm_cnt variable in pos2000 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
rn_drctr_p~t |     96,987    .0033226    .2067996          0      57.14

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