Summary statistics for a_c2_56 variable in hosp_rollup2552_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_56 |      2,900     1169408     2961138    -195519   3.94e+07

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