Summary statistics for a_c6_21 variable in hosp_rollup2552_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_21 |        188    -1579039     3977592  -3.98e+07    8483892

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