Summary statistics for b_1_c18_31 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  b_1_c18_31 |        282     25225.8    33865.18         -2     300254

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