Summary statistics for a_c2_12 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_12 |      6,982     4989.48    8875.394      -9803     251441

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