Summary statistics for a_c2_9 variable in snf_rollup2540_96_2005 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_9 |      7,913    64367.16    155751.1     -99835    6485359

by Jean Roth , jroth@nber.org , 17 Feb 2018