Summary statistics for a_c6_4 variable in snf_rollup2540_96_2006 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c6_4 |     12,474   -169261.8    490479.9  -1.10e+07    7729143

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