Summary statistics for a_c2_18 variable in snf_rollup2540_96_2000 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_18 |      4,729    159285.8    285182.3     -20786    7311963

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