Summary statistics for a_c2_99 variable in hosp_rollup2552_96_2002 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_99 |        645     1193141     4520133   -1611332   6.28e+07

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