Summary statistics for a_c2_2 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_2 |      6,979     63964.3    97586.39     -26438    1896442

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