Summary statistics for indi2015q3 dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    812,561    1.17e+08    6.61e+07   3.65e+07   1.15e+09
      caseid |    812,561    1.12e+07    510130.4    3645062   1.16e+07
indi_drug_~q |    812,561    4.216352    5.939136          1        184
     indi_pt |          0

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