Summary statistics for a_c1_9 variable in snf_rollup2540_96_2007 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c1_9 |     10,857    227248.5    336162.5     -64615   1.73e+07

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