Summary statistics for a_c1_4 variable in snf_rollup2540_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c1_4 |     12,593    275572.1    372240.1    -192386   1.92e+07

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