Summary statistics for b_1_c18_34 variable in snf_rollup2540_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_34 | 65 751113.5 3178655 -2 2.52e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018