Summary statistics for a_c6_4 variable in snf_rollup2540_96_2001 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c6_4 |     11,988   -127258.3     1871176  -1.70e+08    4606019

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