Summary statistics for b_1_c18_26 variable in snf_rollup2540_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_26 | 12,087 112344.1 112742.2 -33590 2169692 by Jean Roth , jroth@nber.org , 17 Feb 2018