Summary statistics for a_c1_20 variable in hosp_rollup2552_96_2001 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_20 |        249    405488.2    678264.8    -106516    6499668

by Jean Roth , jroth@nber.org , 9 Sep 2018