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 , % |
|---|---|---|
| 2021 | 6.7 | 97.96% |
| 2020 | 3.4 | -24.35% |
| 2019 | 4.5 | 55.31% |
| 2018 | 2.9 | -21.86% |
| 2017 | 3.7 | -47.70% |
| 2016 | 7.0 | -54.67% |
| 2015 | 15.5 | 98.56% |
| 2014 | 7.8 | 15.84% |
| 2013 | 6.8 | 33.08% |
| 2012 | 5.1 | -39.88% |
| 2011 | 8.4 | 23.23% |
| 2010 | 6.8 |