Summary statistics for a7_3_c9_4 variable in hosp_rollup2552_96_2008 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   a7_3_c9_4 |      5,569     3366673     6255549   -1097774   1.07e+08

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