Summary statistics for b_1_c18_18 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  b_1_c18_18 |      9,238     2575083     5886890    -351004   5.42e+08

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