Summary statistics for c_1_c7_40 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_40 | 3,675 5395069 1.18e+07 1 2.48e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018