Summary statistics for a_c2_9 variable in hosp_rollup2552_96_2000 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_9 |      5,398    243235.5    420888.7   -1286932    4751288

by Jean Roth , jroth@nber.org , 8 Sep 2018