Summary statistics for a_c6_7 variable in snf_rollup2540_96_2003 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c6_7 |      1,271   -2724.839    47747.58    -563651     962762

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