Summary statistics for b_1_c0_4 variable in snf_rollup2540_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_4 | 14,172 1105757 917971.5 -1.14e+07 1.73e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018