Summary statistics for a_c2_4 variable in snf_rollup2540_96_1996 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_4 |      9,605    487056.9    543481.9   -1759176   1.91e+07

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