Summary statistics for a7_3_c7_4 variable in hosp_rollup2552_96_1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   a7_3_c7_4 |        515    46534.55    116009.8    -306087    1333824

by Jean Roth , jroth@nber.org , 7 Sep 2018