Summary statistics for indi2016q1 dataset :

by Jean Roth , jroth@nber.org , 6 Apr 2017

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    879,605    1.24e+08    6.62e+07   3.35e+07   1.22e+09
      caseid |    879,605    1.19e+07    590660.7    3353858   1.23e+07
indi_drug_~q |    879,605    4.624184    6.121671          1        148
     indi_pt |          0

by Jean Roth , jroth@nber.org , 6 Apr 2017