Summary statistics for b_3_c27_30 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_3_c27_30 | 716 492653.7 933504.2 3 1.31e+07 by Jean Roth , jroth@nber.org , 10 Sep 2018