Summary statistics for a8_c2_12 variable in hosp_rollup2552_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    a8_c2_12 |      5,749    -2493880     7504914  -2.13e+08         -1

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