Summary statistics for a_c2_9 variable in hosp_rollup2552_96_2005 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_9 |      5,347      284038    492496.8   -2169629    6501527

by Jean Roth , jroth@nber.org , 21 Apr 2018