Summary statistics for b_1_c18_32 variable in snf_rollup2540_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_32 | 2,298 32402.65 46770.61 -4200 706497 by Jean Roth , jroth@nber.org , 17 Feb 2018