Summary statistics for a_c2_15 variable in snf_rollup2540_96_2002 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_15 |      4,785    19349.07    67926.31     -14899    2646608

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