Summary statistics for a_c2_3 variable in snf_rollup2540_96_2001 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_3 |     11,221    517833.4      681364     -86269   1.33e+07

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