Summary statistics for a_c1_6 variable in snf_rollup2540_96_2002 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c1_6 |     10,890    58413.85    55187.36      -3346    1071485

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