Summary statistics for a_c6_18 variable in snf_rollup2540_96_1996 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_18 |      1,235   -7903.846    78699.17   -1267640    1312748

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