Summary statistics for a_c1_30 variable in hosp_rollup2552_96_2007 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_30 |        743     7637898    1.33e+07       -357   1.35e+08

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