Summary statistics for b_1_c18_21 variable in snf_rollup2540_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  b_1_c18_21 |     10,472    13773.24    36489.13      -3623    2600936

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