Summary statistics for s3_1_c2_3 variable in snf_rollup2540_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c2_3 | 9,164 33194.15 18843.27 170 268275 by Jean Roth , jroth@nber.org , 17 Feb 2018