Summary statistics for rn_drctr_cntrct_cnt variable in pos2006 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
rn_drctr_c~t |    114,968    .0011388     .037763          0       4.46

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