Summary statistics for a8_c2_12 variable in hosp_rollup2552_96_2005 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    a8_c2_12 |      5,727    -2777368     8147219  -2.34e+08         -1

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