Summary statistics for b_1_c18_36 variable in snf_rollup2540_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_36 | 72 625060.4 1810023 -184299 1.10e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018