Summary statistics for a_c2_40 variable in hosp_rollup2552_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_40 |      3,933    321220.9    601074.7    -323971    9168122

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