Summary statistics for a_c6_20 variable in hosp_rollup2552_96_2007 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_20 |        611    -1438718     2313507  -2.88e+07     409209

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