Summary statistics for s3_1_c6_6 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c6_6 | 3,680 3468.394 4646.642 2 92918 by Jean Roth , jroth@nber.org , 7 Sep 2018