Summary statistics for a_c6_9 variable in hosp_rollup2552_96_2003 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c6_9 |      1,236    3581.857    363689.6   -4489197    4787289

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