Summary statistics for a_c1_22 variable in hosp_rollup2552_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_22 |        670     6611807    1.04e+07     -15775   7.44e+07

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