Summary statistics for a_c2_30 variable in snf_rollup2540_96_2000 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_30 |     11,354    110244.5    130166.9    -193853    1811417

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