Summary statistics for c_1_c6_40 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_40 | 3,632 5463642 1.58e+07 1 2.76e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018