Summary statistics for b_1_c18_21 variable in snf_rollup2540_96_2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  b_1_c18_21 |     12,451    18521.61    71000.28     -47163    6668831

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