Summary statistics for a_c6_9 variable in hosp_rollup2552_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c6_9 |      1,313   -10950.25    217109.7   -2402695    2359453

by Jean Roth , jroth@nber.org , 5 Sep 2018