Summary statistics for a_c1_30 variable in hosp_rollup2552_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_30 |        810     8872254    1.55e+07      64705   1.54e+08

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