Summary statistics for b_1_c18_30 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  b_1_c18_30 |     11,794    166560.4    227239.4    -466992    4711346

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