Summary statistics for a_c2_30 variable in snf_rollup2540_96_2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_30 |     12,985    226865.2    211428.9     -96284    2895183

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