Summary statistics for a_c1_15 variable in snf_rollup2540_96_2000 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_15 |      4,812    75119.28    154092.7      -7130    8936205

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