Summary statistics for b_1_c27_30 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_30 | 738 1.28e+07 2.15e+07 2954 2.65e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018