Summary statistics for b_1_c18_60 variable in snf_rollup2540_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_60 | 480 216791.4 1215311 -4396 1.85e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018