Summary statistics for c_1_c6_53 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_53 | 4,923 3148786 8057076 17 1.72e+08 by Jean Roth , jroth@nber.org , 5 Sep 2018