Summary statistics for a7_3_c6_4 variable in hosp_rollup2552_96_2006 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   a7_3_c6_4 |        640    162259.7    257943.5     -64519    1996844

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