Summary statistics for a_c2_18 variable in snf_rollup2540_96_1996 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_18 |      4,614    94580.56    148568.5     -39516    2581770

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