Summary statistics for e4_c3_31 variable in prds_hosp10_yr2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    e4_c3_31 |        470     2645653     4089966        395   3.13e+07

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