Summary statistics for a_c1_12 variable in hosp_rollup2552_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_12 |        625    582680.9    737043.5    -626465    5042886

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