Summary statistics for a_c6_20 variable in hosp_rollup2552_96_2008 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_20 |        622    -1483944     2504815  -3.14e+07       4225

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