Summary statistics for a_c6_24 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_24 |      3,163   -3688.611    22065.56    -325706     427308

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