Summary statistics for a_c1_91 variable in prds_hosp10_yr2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_91 |      1,705     3291087     4028224        168   3.25e+07

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