Summary statistics for reac2012q4 dataset :

by Jean Roth , jroth@nber.org , 7 Apr 2017

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    738,751    9.62e+07    7.34e+07   3.45e+07   8.81e+08
      caseid |    738,751     8754626    370996.9    3448328    9337231
          pt |          0

by Jean Roth , jroth@nber.org , 7 Apr 2017