Summary statistics for a_c2_30 variable in snf_rollup2540_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_30 |     12,901    218669.8    206308.2      -3420    2607322

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