Summary statistics for a_c6_30 variable in hosp_rollup2552_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_30 |        581   -701360.9     2735878  -5.30e+07    2984784

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