Summary statistics for b_1_c18_59 variable in snf_rollup2540_96_2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_59 | 1,268 19163.77 88577.35 -1737 2452813 by Jean Roth , jroth@nber.org , 17 Feb 2018