Summary statistics for b_1_c0_30 variable in snf_rollup2540_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_30 | 11,209 143319.1 183091.7 -481130 3099506 by Jean Roth , jroth@nber.org , 17 Feb 2018