Summary statistics for b_1_c18_22 variable in snf_rollup2540_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_22 | 11,255 23770.49 66433.47 -33603 4929587 by Jean Roth , jroth@nber.org , 17 Feb 2018