Summary statistics for a_c6_12 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_12 |        583   -341.5283    9130.438    -132317      76139

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