Summary statistics for a_c6_30 variable in hosp_rollup2552_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_30 |        405     -204260    520484.3   -6087975    2783935

by Jean Roth , jroth@nber.org , 5 Sep 2018