Summary statistics for a_c6_21 variable in hosp_rollup2552_96_2001 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_21 |        213   -448650.2     1345783  -1.11e+07    6867670

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