Summary statistics for c_1_c6_55 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_55 | 5,709 6913962 1.41e+07 1 2.84e+08 by Jean Roth , jroth@nber.org , 6 Sep 2018