Summary statistics for b_1_c18_23 variable in snf_rollup2540_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_23 | 4,516 35448.15 49612.86 -8062 602157 by Jean Roth , jroth@nber.org , 17 Feb 2018