Summary statistics for a_c6_4 variable in snf_rollup2540_96_2003 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c6_4 |     12,576      -98106      368032  -1.61e+07    7421023

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