Summary statistics for a_c6_15 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_15 |        617   -8601.716    47789.15    -918897     280834

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