Summary statistics for a_c1_97 variable in hosp_rollup2552_96_1996 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_97 |        372     2520797     8933655   -1010886   8.87e+07

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