Summary statistics for indi2017q2 dataset :

by Jean Roth , jroth@nber.org , 8 Feb 2018

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    819,167    1.44e+08    1.05e+08   3.89e+07   1.36e+09
      caseid |    819,167    1.33e+07      677864    3885345   1.38e+07
indi_drug_~q |    819,167    5.310937    8.309121          1        201
     indi_pt |          0

by Jean Roth , jroth@nber.org , 8 Feb 2018