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 , % |
|---|---|---|
| 2014 | 8.1 | -26.11% |
| 2013 | 11.0 | 10.96% |
| 2012 | 9.9 | -49.42% |
| 2011 | 19.5 | 74.89% |
| 2010 | 11.2 | 106.64% |
| 2009 | 5.4 | -71.50% |
| 2008 | 19.0 | 140.05% |
| 2007 | 7.9 | -27.11% |
| 2006 | 10.8 | -8.18% |
| 2005 | 11.8 | -5.62% |
| 2004 | 12.5 | 15.53% |
| 2003 | 10.8 |