Summary statistics for a_c6_9 variable in hosp_rollup2552_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c6_9 |      1,175   -11025.29    319344.3   -5437235    2791536

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