Summary statistics for a_c2_21 variable in snf_rollup2540_96_1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_21 |      7,617    9861.925    20625.55     -88923    1146080

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