Summary statistics for a_c2_1 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_1 |     11,564    442412.4      538942    -356913   1.24e+07

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