Summary statistics for s3_1_c10_3 variable in snf_rollup2540_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c10_3 | 5,162 53.80763 55.64712 1 1193 by Jean Roth , jroth@nber.org , 17 Feb 2018