Summary statistics for s3_1_c16_3 variable in snf_rollup2540_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c16_3 | 3,989 445.4689 764.5167 .11 28731 by Jean Roth , jroth@nber.org , 17 Feb 2018