Inflation as measured by the consumer price index reflects the annual percentage change in the cost to the average consumer of acquiring a basket of goods and services that may be fixed or changed at specified intervals, such as yearly. The Laspeyres formula is generally used.
| 日付 | 値 | 変更 , % |
|---|---|---|
| 2023 | 9.9 | 21.00% |
| 2022 | 8.2 | 40.40% |
| 2021 | 5.8 | 38.33% |
| 2020 | 4.2 | -25.11% |
| 2019 | 5.6 | -34.72% |
| 2018 | 8.6 | -0.17% |
| 2017 | 8.6 | 42.63% |
| 2016 | 6.0 | -18.48% |
| 2015 | 7.4 | 21.77% |
| 2014 | 6.1 | 4.36% |
| 2013 | 5.8 | 1.97% |
| 2012 | 5.7 |