Summary statistics for b_1_c18_63 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  b_1_c18_63 |      2,992    510275.2     1744166     -29128   3.18e+07

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