Summary statistics for b_1_c0_12 variable in snf_rollup2540_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_12 | 7,458 30722.31 140608.7 -89 1.14e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018