Summary statistics for b_1_c18_29 variable in snf_rollup2540_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_29 | 8,726 66475.87 85028.27 -15021 1817588 by Jean Roth , jroth@nber.org , 17 Feb 2018