Summary statistics for a_c2_7 variable in snf_rollup2540_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_7 |     13,875     70180.2    106026.8    -328943    2567999

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