Summary statistics for b_1_c18_30 variable in snf_rollup2540_96_2005 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  b_1_c18_30 |     12,454    227550.5      283827     -21615    7568216

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