Summary statistics for reac2009q4 dataset :

by Jean Roth , jroth@nber.org , 18 Dec 2015

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
   primaryid |    510140     6452942       41364    6253237    6710716
          pt |         0

by Jean Roth , jroth@nber.org , 18 Dec 2015