Summary statistics for b_1_c18_27 variable in snf_rollup2540_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_27 | 12,559 64453.44 66927.04 -102333 708947 by Jean Roth , jroth@nber.org , 17 Feb 2018