Summary statistics for a_c6_20 variable in hosp_rollup2552_96_2005 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_20 |        612    -1168062     1744794  -1.32e+07     431995

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