Summary statistics for b_1_c0_15 variable in snf_rollup2540_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_15 | 5,043 75848.56 107511.9 -3915 5411559 by Jean Roth , jroth@nber.org , 17 Feb 2018