Summary statistics for a_c6_20 variable in hosp_rollup2552_96_2000 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_20 |        726   -672168.8     1004554   -7134816      19120

by Jean Roth , jroth@nber.org , 8 Sep 2018