Summary statistics for b_1_c18_21 variable in snf_rollup2540_96_2000 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  b_1_c18_21 |      9,013    12251.29    36221.35      -4991    2540163

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