Summary statistics for a_c2_30 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_30 |     10,692    106597.9    124215.9        -75    1772994

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