Summary statistics for a_c2_1 variable in snf_rollup2540_96_2000 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_1 |     12,144    501632.5    604584.5   -1551460    8182532

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