Summary statistics for b_1_c18_21 variable in snf_rollup2540_96_2008 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  b_1_c18_21 |     12,297    18042.38    69529.54     -13474    5888076

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