Summary statistics for a7_1_c1_2 variable in prds_hosp10_yr2013 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   a7_1_c1_2 |      4,399     2946943     6280613          1   1.53e+08

by Jean Roth , jroth@nber.org , 24 Aug 2018