Summary statistics for b_1_c12_16 variable in snf_rollup2540_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c12_16 | 10,520 21350.13 137476.3 1 1.01e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018