Summary statistics for b_1_c0_18 variable in snf_rollup2540_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_18 | 7,820 1039743 825991.1 -7837 1.43e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018