Summary statistics for a_c6_30 variable in snf_rollup2540_96_2008 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_30 |      1,208    31126.41    272143.7    -836255    5709137

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