Summary statistics for a_c1_6 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c1_6 |     10,744       50705    49243.21      -1811    1418469

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