Summary statistics for a7_3_c7_4 variable in hosp_rollup2552_96_1996 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   a7_3_c7_4 |        544    31193.06     82048.3    -385012    1004507

by Jean Roth , jroth@nber.org , 3 Sep 2018