Summary statistics for s3_1_c12_3 variable in snf_rollup2540_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c12_3 | 9,056 95.42171 699.8157 1 55361 by Jean Roth , jroth@nber.org , 17 Feb 2018