Summary statistics for a_c2_21 variable in hosp_rollup2552_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_21 |        196      575653     1632339   -2758724   1.70e+07

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