Summary statistics for a_c1_20 variable in hosp_rollup2552_96_2007 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_20 |        224    639824.3     1067897      -6436    9651727

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