Summary statistics for a_c2_21 variable in hosp_rollup2552_96_1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_21 |        251    215271.6    430617.5    -471766    4096524

by Jean Roth , jroth@nber.org , 7 Sep 2018