Summary statistics for a_c2_9 variable in hosp_rollup2552_96_1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_9 |      5,417      235388    406623.3   -1097573    5189131

by Jean Roth , jroth@nber.org , 7 Sep 2018