Summary statistics for s3_1_c22_5 variable in snf_rollup2540_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c22_5 | 56 24.53054 33.07487 .87 220.76 by Jean Roth , jroth@nber.org , 17 Feb 2018