Summary statistics for c_1_c5_49 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c5_49 | 4,740 2303759 3430119 38 5.54e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018