Summary statistics for s3_1_c6_00100 variable in hcris2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c6~0100 | 6,293 22327.58 30072.66 1 329651 by Jean Roth , jroth@nber.org , 6 Sep 2018