Summary statistics for a_c2_30 variable in snf_rollup2540_96_2003 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_30 |     11,842    150951.2    162860.6     -10459    2056434

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