Summary statistics for a_c1_21 variable in hosp_rollup2552_96_2007 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_21 |        174     1622664     2164888       -551   1.77e+07

by Jean Roth , jroth@nber.org , 21 Apr 2018