Summary statistics for indi2012q1 dataset :

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

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
   primaryid |    453955     8133269    69365.15    7805388    8406255
indi_drug_~q |    453955    1.02e+09    258294.9   1.02e+09   1.02e+09
     indi_pt |         0

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