Summary statistics for a_c2_18 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_18 |      6,007    86648.83      147697     -37188    3012321

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