Summary statistics for a_c2_30 variable in snf_rollup2540_96_2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_30 |      1,712    175458.6    175846.6     -40587    1927052

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