Summary statistics for a_c2_24 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_24 |      7,657     76103.2    104398.7     -12483    1842984

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