Summary statistics for indi2006q4 dataset :

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

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
   primaryid |    120995     5158734    24716.93    5045669    5226527
indi_drug_~q |    120995    1.01e+09    90844.87   1.01e+09   1.01e+09
     indi_pt |         0

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