Summary statistics for b_1_c18_22 variable in snf_rollup2540_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_22 | 11,434 25120.42 68555.28 -152563 5021677 by Jean Roth , jroth@nber.org , 17 Feb 2018