Summary statistics for b_1_c18_25 variable in snf_rollup2540_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_25 | 14,135 340285.8 289665.3 -22627 6185494 by Jean Roth , jroth@nber.org , 17 Feb 2018