Summary statistics for rn_drctr_cntrct_cnt variable in pos2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
rn_drctr_c~t |    122,973    .0015019    .0427663          0       3.14

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