Summary statistics for a8_c2_9 variable in prds_hosp10_yr2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a8_c2_9 |        346   -573555.2     1033513   -8788209     110231

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