Summary statistics for a_c6_20 variable in hosp_rollup2552_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_20 |        585    -1573177     2636169  -2.94e+07         12

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