Summary statistics for a_c1_9 variable in hosp_rollup2552_96_2002 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c1_9 |      3,225    130236.7    246715.5    -749399    4839236

by Jean Roth , jroth@nber.org , 10 Sep 2018