Summary statistics for a_c2_4 variable in snf_rollup2540_96_2000 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_4 |     12,471    558741.7    593044.5   -2531409   1.49e+07

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