Summary statistics for s3_1_c12_3 variable in snf_rollup2540_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c12_3 | 9,553 99.67068 968.5734 1 68110 by Jean Roth , jroth@nber.org , 17 Feb 2018