Summary statistics for a_c6_20 variable in hosp_rollup2552_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_20 |        812   -538488.6    811485.1   -8048277    1570144

by Jean Roth , jroth@nber.org , 5 Sep 2018