Summary statistics for a_c6_7 variable in snf_rollup2540_96_2001 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c6_7 |      1,387   -2426.098    31892.64    -563675     463655

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