Summary statistics for a_c2_97 variable in hosp_rollup2552_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_97 |        541     5727692    2.69e+07   -5941940   3.79e+08

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