Summary statistics for indi2011q1 dataset :

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

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
   primaryid |    355542     7297371    54069.44    7024584    7503782
indi_drug_~q |    355542    1.02e+09    204806.9   1.01e+09   1.02e+09
     indi_pt |         0

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