Summary statistics for a_c6_30 variable in hosp_rollup2552_96_2007 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_30 |        520   -549995.5     1425090  -1.23e+07     564183

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