Summary statistics for b_1_c18_29 variable in snf_rollup2540_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_29 | 11,232 55695.46 83474.59 -27646 2768528 by Jean Roth , jroth@nber.org , 17 Feb 2018