Summary statistics for a_c1_20 variable in prds_hosp10_yr2012 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_20 |        133     2218686     3388241       1939   2.83e+07

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