Summary statistics for b_1_c23_25 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c23_25 | 1,069 1536294 3240416 55 5.76e+07 by Jean Roth , jroth@nber.org , 6 Sep 2018