Summary statistics for s3_1_c16_3 variable in snf_rollup2540_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c16_3 | 5,887 448.9761 582.9038 .39 20570 by Jean Roth , jroth@nber.org , 17 Feb 2018