Summary statistics for a_c2_11 variable in hosp_rollup2552_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_11 |      6,207    554755.8    728355.4    -712018    9341144

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