Summary statistics for a_c2_9 variable in hosp_rollup2552_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_9 |      5,398    271647.2    469299.5   -1369309    6231119

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