Summary statistics for c_1_c6_53 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_53 | 4,689 4122094 1.11e+07 1 2.16e+08 by Jean Roth , jroth@nber.org , 7 Sep 2018