Summary statistics for a_c1_12 variable in snf_rollup2540_96_2000 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_12 |      8,673    31682.81    32496.46     -10449     817430

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