Summary statistics for a_c1_9 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c1_9 |     10,430    141581.3    278938.3       -206   1.22e+07

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