Summary statistics for indi2017q3 dataset :

by Jean Roth , jroth@nber.org , 8 Feb 2018

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    844,994    1.47e+08    1.09e+08   3.77e+07   9.47e+09
      caseid |    844,994    1.36e+07    731355.4    3774935   1.42e+07
indi_drug_~q |    844,994     5.18489    8.203836          1        232
     indi_pt |          0

by Jean Roth , jroth@nber.org , 8 Feb 2018