Summary statistics for b_1_c18_48 variable in snf_rollup2540_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_48 | 1,127 11697.96 49019.56 -314 1193035 by Jean Roth , jroth@nber.org , 17 Feb 2018