Summary statistics for indi2009q3 dataset :

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

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
   primaryid |    276621     6319850    36161.81    6142610    6453317
indi_drug_~q |    276621    1.01e+09    148889.2   1.01e+09   1.01e+09
     indi_pt |         0

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