Summary statistics for b_1_c18_62 variable in snf_rollup2540_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_62 | 333 510754.4 3271886 -100712 4.79e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018