Summary statistics for a_c2_30 variable in snf_rollup2540_96_2001 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_30 |     11,262    125613.4    141754.1    -295058    1787819

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