Summary statistics for icd2ccrxhcc5xw2016 dataset : by Jean Roth , jroth@nber.org , 12 Jan 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- icd | 0 cc | 0 icdvers | 1,375 9 0 9 9 modtype | 0 modvers | 1,375 5 0 5 5 -------------+--------------------------------------------------------- year | 1,375 2016 0 2016 2016 by Jean Roth , jroth@nber.org , 12 Jan 2016