Summary statistics for c_1_c5_40 variable in hosp_rollup2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c5_40 | 2,104 1593398 4870361 1 1.25e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018