Summary statistics for s3_1_c16_8 variable in snf_rollup2540_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c16_8 | 6 71.82333 73.40947 31.55 221.17 by Jean Roth , jroth@nber.org , 17 Feb 2018