Summary statistics for b_1_c18_50 variable in snf_rollup2540_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  b_1_c18_50 |          2    812446.5    572830.7     407394    1217499

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