Summary statistics for a_c2_40 variable in hosp_rollup2552_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_40 |      3,768     1315090     3216018      -2826   8.55e+07

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