Summary statistics for indi2017q1 dataset :

by Jean Roth , jroth@nber.org , 18 Sep 2017

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    862,751    1.41e+08    1.03e+08   3.88e+07   1.33e+09
      caseid |    862,751    1.30e+07    669316.4    3880460   1.34e+07
indi_drug_~q |    862,751    5.235972    8.122826          1        231
     indi_pt |          0

by Jean Roth , jroth@nber.org , 18 Sep 2017