Summary statistics for a_c2_4 variable in snf_rollup2540_96_2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_4 |     14,079     1085129    954511.2  -2.84e+07   2.28e+07

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