Summary statistics for a_c1_18 variable in hosp_rollup2552_96_1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_18 |      3,268    343472.2     1010923      -4641   4.91e+07

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