Summary statistics for a7_1_c1_2 variable in prds_hosp10_yr2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   a7_1_c1_2 |      1,620     2941159     9195905          1   2.19e+08

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