Summary statistics for a_c1_20 variable in hosp_rollup2552_96_2006 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_20 |        234    611738.5     1010087        630    9251928

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