Summary statistics for a8_c2_12 variable in hosp_rollup2552_96_2003 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    a8_c2_12 |      5,698    -2331214     6865829  -1.97e+08         -1

by Jean Roth , jroth@nber.org , 12 Sep 2018