Summary statistics for a_c2_7 variable in snf_rollup2540_96_2006 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_7 |     12,853    63795.65    101788.9    -123601    2494185

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