| 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| デンマーク | 12.1 | 9.5 | 9.8 | 10.1 | 10.2 | 10.3 | 10.3 | 10.3 | 10.3 | 10.3 | 10.4 | 10.5 | 10.5 | 10.6 | ||
| フィンランド | 10.3 | 24.0 | 19.9 | 20.0 | 18.8 | 19.1 | 19.1 | 19.2 | 18.9 | 18.8 | 19.0 | 19.1 | 18.9 | 19.3 | ||
| アイスランド | 13.3 | 14.0 | 14.7 | 15.3 | 15.7 | 16.0 | 16.3 | 16.1 | 16.3 | 15.0 | 15.3 | 15.5 | 16.2 | 16.3 | 15.8 | 16.0 |
| ノルウェー | 15.5 | 16.7 | 16.9 | 17.1 | 17.2 | 17.4 | 17.9 | 18.0 | 18.2 | 18.3 | 18.4 | 18.6 | 18.9 | |||
| スウェーデン | 13.3 | 10.3 | 11.2 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.6 | 11.4 |