Summary statistics for b_1_c0_21 variable in snf_rollup2540_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_21 | 3,723 23641.46 34806.57 -6631 1310837 by Jean Roth , jroth@nber.org , 17 Feb 2018