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 , % |
|---|---|---|
| 2022 | 10.5 | 112.39% |
| 2021 | 4.9 | 33.86% |
| 2020 | 3.7 | -31.52% |
| 2019 | 5.4 | 8.67% |
| 2018 | 4.9 | 28.48% |
| 2017 | 3.9 | 9.30% |
| 2016 | 3.5 | -11.86% |
| 2015 | 4.0 | -33.77% |
| 2014 | 6.0 | -15.41% |
| 2013 | 7.1 | -0.81% |
| 2012 | 7.2 | -11.00% |
| 2011 | 8.1 |