Summary statistics for a_c2_30 variable in hosp_rollup2552_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_30 |        709     1580833     3712951    -144258   5.95e+07

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