Summary statistics for a_c6_20 variable in hosp_rollup2552_96_2001 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_20 |        704   -736460.2     1120232   -7534221     818787

by Jean Roth , jroth@nber.org , 9 Sep 2018