Summary statistics for a_c2_20 variable in prds_hosp10_yr2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_20 |         61    551891.2    907380.3   -1142819    4571400

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