Summary statistics for a_c6_8 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c6_8 |      8,558   -10595.13    59906.38   -1959388    1664414

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