Summary statistics for b_1_c0_4 variable in snf_rollup2540_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_4 | 14,061 1211376 954200.9 -2722217 1.64e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018