Summary statistics for s3_1_c2_3 variable in snf_rollup2540_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c2_3 | 2,123 74503.73 2138561 36 9.86e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018