Summary statistics for b_1_c0_4 variable in snf_rollup2540_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_4 | 12,044 669020.6 596207.8 -37276 1.74e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018