Summary statistics for c_1_c6_60 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_60 | 1,718 418892.3 1752422 1 3.62e+07 by Jean Roth , jroth@nber.org , 5 Sep 2018