Summary statistics for s3_1_c1_01200 variable in hcris2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c1_01~0 | 6,093 129.9936 154.0751 1 1800 by Jean Roth , jroth@nber.org , 11 Sep 2018