Summary statistics for indi2009q2 dataset :

by Jean Roth , jroth@nber.org , 18 Dec 2015

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
   primaryid |    226258     6195702    32477.07    6039519    6291339
indi_drug_~q |    226258    1.01e+09      132832   1.01e+09   1.01e+09
     indi_pt |         0

by Jean Roth , jroth@nber.org , 18 Dec 2015