Summary statistics for b_1_c18_33 variable in snf_rollup2540_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_33 | 3,325 36982.4 260430.7 -5066 9291331 by Jean Roth , jroth@nber.org , 17 Feb 2018