Summary statistics for b_1_c18_29 variable in snf_rollup2540_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_29 | 11,023 65854.46 85472.18 -17168 2061721 by Jean Roth , jroth@nber.org , 17 Feb 2018