Summary statistics for a_c2_56 variable in hosp_rollup2552_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_56 |      3,187     3287581     7967834    -728047   1.51e+08

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