Summary statistics for indi2012q2 dataset :

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

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
   primaryid |    395056     8370463    69632.74    8017085    8618486
indi_drug_~q |    395056    1.02e+09    257161.9   1.02e+09   1.02e+09
     indi_pt |         0

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