Summary statistics for indi2014q3 dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    424,215    1.06e+08    5.39e+07   3.04e+07   1.03e+09
      caseid |    424,215    1.02e+07    473947.2    3041652   1.07e+07
indi_drug_~q |    424,215     3.92892    5.707259          1        143
     indi_pt |          0

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