Summary statistics for indi2007q1 dataset :

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

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
   primaryid |    131755     5246196    28272.91    5121401    5337807
indi_drug_~q |    131755    1.01e+09      106459   1.01e+09   1.01e+09
     indi_pt |         0

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