Summary statistics for s3_1_c5_3 variable in snf_rollup2540_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c5_3 | 4,494 20498.8 15590.23 2 282213 by Jean Roth , jroth@nber.org , 17 Feb 2018