Summary statistics for s3_1_c23_3 variable in snf_rollup2540_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c23_3 | 42 23.60595 41.72269 .36 220.71 by Jean Roth , jroth@nber.org , 17 Feb 2018