Summary statistics for b_1_c18_30 variable in snf_rollup2540_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  b_1_c18_30 |     12,385    213738.2    281866.8     -40317    7432278

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