Summary statistics for a7_3_c9_4 variable in hosp_rollup2552_96_2002 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   a7_3_c9_4 |      1,582    720250.7     2902599   -3463582   5.87e+07

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