Summary statistics for c_1_c7_40 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_40 | 3,581 804529.1 1287488 1 1.86e+07 by Jean Roth , jroth@nber.org , 3 Sep 2018