Summary statistics for b_1_c3_16 variable in snf_rollup2540_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c3_16 | 13,097 444212.4 567536.2 4 1.12e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018