Summary statistics for a7_3_c9_2 variable in hosp_rollup2552_96_2007 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   a7_3_c9_2 |        614    695572.3     2875655   -9545665   3.09e+07

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