Summary statistics for b_1_c27_28 variable in hosp_rollup2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_28 | 45 5865136 5642987 1912293 3.54e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018