Summary statistics for a_c6_9 variable in snf_rollup2540_96_2003 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c6_9 |      2,350    2121.809    27582.97    -245980     373375

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