Summary statistics for a_c6_13 variable in hosp_rollup2552_96_2007 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_13 |         81   -473056.1    889470.2   -5457000     220226

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