Summary statistics for c_1_c7_54 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_54 | 1,841 1252764 3944851 1 1.45e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018