Summary statistics for a_c1_9 variable in hosp_rollup2552_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c1_9 |      3,589    117533.6    215364.3       -112    2471943

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