Summary statistics for b_1_c18_48 variable in snf_rollup2540_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_48 | 1,190 5491.192 29551.06 -2197 724240 by Jean Roth , jroth@nber.org , 17 Feb 2018