Summary statistics for a_c2_21 variable in snf_rollup2540_96_2001 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_21 |      8,666    10258.59    21853.68     -43819    1482836

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