Summary statistics for indi2013q4 dataset :

by Jean Roth , jroth@nber.org , 6 Apr 2017

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    432,913    9.84e+07    4.63e+07   3.68e+07   9.61e+08
      caseid |    432,913     9546774    373746.2    3681487   1.03e+07
indi_drug_~q |    432,913    3.722764    6.546578          1        192
     indi_pt |          0

by Jean Roth , jroth@nber.org , 6 Apr 2017