Summary statistics for c_1_c6_61 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_61 | 4,936 1297230 2414159 1 5.99e+07 by Jean Roth , jroth@nber.org , 6 Sep 2018