Summary statistics for c_1_c6_61 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_61 | 4,871 4664805 8592994 19 1.26e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018