Summary statistics for a_c1_12 variable in hosp_rollup2552_96_2008 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_12 |        641    557262.2    695231.7    -651227    4963106

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