Summary statistics for a_c6_7 variable in snf_rollup2540_96_2000 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c6_7 |      1,552   -2770.999    31820.67    -561321     400336

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