Annualized CPI December 2012-13 Consumer Price Index - Annual Change The Year to date change has reported a decrease in Nauru’s CPI to 2.08 percent in comparison prices to December 2012, with the main contributors clearly illustrated in Chart 2 below. Downloads: Full Decemeber 2013 Report522.82 KB Appendix 1122.17 KB Appendix 2122.97 KB Technical Notes56.39 KB