Summary statistics for b_1_c18_25 variable in snf_rollup2540_96_1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  b_1_c18_25 |     12,010    156418.8    157283.3        145    4572357

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