| 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 日本 | 6.4 | 8.7 | 10.3 | 10.7 | 11.2 | 11.6 | 12.0 | 12.5 | ||||||||
| フランス | 6.9 | 7.8 | 8.7 | 8.9 | 9.2 | 9.4 | 9.6 | 9.7 | 9.9 | 10.0 | 10.1 | 10.2 | 10.3 | 9.4 | ||
| ドイツ | 8.9 | 9.6 | 10.2 | 10.3 | 10.3 | 10.7 | 10.9 | 11.0 | 11.2 | 11.4 | 11.8 | 12.1 | 12.4 | 12.3 | ||
| イタリア | 5.7 | 5.2 | 5.5 | 5.4 | 5.4 | 5.3 | 5.6 | 5.7 | 5.9 | 6.1 | 6.1 | 6.4 | 6.6 | 6.5 | 7.7 | |
| 英国 | 8.6 | 9.6 | 8.9 | 8.7 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.3 | 8.5 | 8.7 | 9.0 | 9.2 | 9.2 | |
| カナダ | 11.1 | 10.0 | 8.8 | 9.4 | 9.3 | 9.4 | 9.6 | 9.9 | 9.9 | 10.0 | 10.0 | 10.0 | 10.1 | 10.2 | 10.3 | 10.3 |
| アメリカ合衆国 | 10.6 | 10.2 | 10.4 | 10.9 | 11.0 | 11.1 | 11.0 | 11.1 | 11.2 | 11.5 | 14.4 | 15.5 | 13.2 | 12.5 | 13.2 | 11.9 |