Summary statistics for s3_1_c19_3 variable in snf_rollup2540_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c19_3 | 1,591 55.26084 92.98976 1 1675 by Jean Roth , jroth@nber.org , 17 Feb 2018