Summary statistics for s3_1_c1_01200 variable in hcris2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c1_01~0 | 3,805 127.2523 158.9149 1 1994 by Jean Roth , jroth@nber.org , 1 Sep 2018