Summary statistics for b_1_c18_30 variable in snf_rollup2540_96_1996 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  b_1_c18_30 |      9,452    144198.8    192374.1     -35185    4067061

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