Summary statistics for indi2004q1 dataset :

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

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
   primaryid |     78761     4302923    20783.43    4204616    4498036
indi_drug_~q |     78761    1.00e+09    79866.85   1.00e+09   1.01e+09
     indi_pt |         0

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