Summary statistics for a_c6_97 variable in hosp_rollup2552_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_97 |        179     2910306    2.16e+07  -2.37e+07   1.94e+08

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