Summary statistics for c_1_c6_61 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_61 | 4,793 1174154 2196023 30 5.71e+07 by Jean Roth , jroth@nber.org , 3 Sep 2018