Summary statistics for a_c1_30 variable in hosp_rollup2552_96_1996 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_30 |        570     2383751     2532063       -172   1.93e+07

by Jean Roth , jroth@nber.org , 3 Sep 2018