Summary statistics for s3_1_c1_01200 variable in hcris2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c1_01~0 | 6,168 128.4548 146.9236 1 1660 by Jean Roth , jroth@nber.org , 9 Sep 2018