Summary statistics for b_1_c18_26 variable in snf_rollup2540_96_2003 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_26 | 12,690 137845.1 128293.5 -416255 1964728 by Jean Roth , jroth@nber.org , 17 Feb 2018