Summary statistics for a_c6_20 variable in hosp_rollup2552_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_20 |        628    -1041965     1541521  -1.19e+07     396696

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