Summary statistics for a_c2_7 variable in snf_rollup2540_96_1998 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_7 |     12,681    41987.91    72220.78     -66097    2091949

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