Summary statistics for s3_1_c12_3 variable in snf_rollup2540_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c12_3 | 4,053 96.56378 370.9199 1 23057 by Jean Roth , jroth@nber.org , 17 Feb 2018