Summary statistics for a_c6_20 variable in hosp_rollup2552_96_2002 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_20 |        706   -801452.9     1169959   -7464973     189400

by Jean Roth , jroth@nber.org , 10 Sep 2018