Summary statistics for a_c2_7 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_7 |     11,850    41518.75    68920.65    -189867    1840475

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