Summary statistics for b_1_c18_23 variable in snf_rollup2540_96_2007 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  b_1_c18_23 |      4,146    31451.01    48568.97     -35095     908476

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