Summary statistics for a_c2_9 variable in prds_hosp10_yr2013 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_9 |      5,982    738413.9     1500744   -2398886   2.48e+07

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