Summary statistics for a_c6_9 variable in hosp_rollup2552_96_2006 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c6_9 |      1,220    6794.683    395117.9   -4854004    4565733

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