Summary statistics for a_c1_21 variable in hosp_rollup2552_96_1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_21 |        216    692153.9    740934.8      -8533    5337236

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