Summary statistics for a_c2_24 variable in snf_rollup2540_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_24 |      3,871    24403.03     89390.8     -20331    1744091

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