Summary statistics for a_c2_18 variable in hosp_rollup2552_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_18 |      3,115    217008.4      950018   -1049206   2.24e+07

by Jean Roth , jroth@nber.org , 21 Apr 2018