Summary statistics for a_c6_4 variable in snf_rollup2540_96_1996 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c6_4 |      9,434   -83368.31    348660.2  -1.80e+07    3548189

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