Summary statistics for a_c1_9 variable in snf_rollup2540_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c1_9 |     10,768    203894.2    352651.3       -132   1.61e+07

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