Summary statistics for b_1_c18_60 variable in snf_rollup2540_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_60 | 473 211675.9 922769 -54854 1.18e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018