Summary statistics for a_c6_21 variable in hosp_rollup2552_96_2002 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_21 |        208   -541541.9     1424619   -8640216    6851888

by Jean Roth , jroth@nber.org , 10 Sep 2018