| Year | Inflation Rate (%) | Annual Change (%) |
| 2021 | 6.11% | 0.71% |
| 2020 | 5.40% | 0.17% |
| 2019 | 5.42% | 0.55% |
| 2018 | 4.69% | −0.32% |
| 2017 | 8.01% | 1.17% |
| 2016 | 6.30% | −0.29% |
| 2015 | 6.58% | −0.30% |
| 2014 | 6.88% | 1.16% |
| 2013 | 5.72% | −3.66% |
| 2012 | 9.38% | −4.66% |
| 2011 | 14.02% | 10.06% |
| 2010 | 3.96% | −5.27% |
| Average | 6.8725% |
|