Summary statistics for a_c6_67 variable in hosp_rollup2552_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_67 |         28   -317177.1    894280.4   -3459354       -220

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