Summary statistics for b_1_c18_59 variable in snf_rollup2540_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_59 | 10,072 41757.52 1549724 -102387 1.54e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018