Summary statistics for a_c6_21 variable in hosp_rollup2552_96_2007 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_21 |        187    -1365980     3373570  -3.03e+07    9205071

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