Summary statistics for a_c2_22 variable in hosp_rollup2552_96_2002 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_22 |        451     2149316     4110383   -7477251   2.69e+07

by Jean Roth , jroth@nber.org , 10 Sep 2018