Summary statistics for a7_3_c9_4 variable in hosp_rollup2552_96_2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   a7_3_c9_4 |      3,468     3531519     6575951   -3146208   8.90e+07

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