Summary statistics for a_c2_30 variable in snf_rollup2540_96_1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_30 |     10,925    97721.46    119471.3    -195642    1586365

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