| Countries | 2010 | 2021 |
|---|---|---|
| EU-27 | 6.0 | 5.4 |
| Greece | 7.7 | 9.5 |
| Bulgaria | 10.8 | 9.1 |
| Latvia | 10.4 | 8.9 |
| Croatia | 8.4 | 8.7 |
| Netherlands | 9.7 | 7.7 |
| Poland | 8.4 | 7.7 |
| Slovenia | 9.4 | 7.2 |
| Romania | 7.8 | 7.2 |
| Italy | 6.7 | 6.9 |
| Estonia | 8.8 | 6.8 |
| Slovakia | 7.4 | 6.7 |
| Cyprus | 8.7 | 6.5 |
| Malta | 8.7 | 6.3 |
| Portugal | 7.2 | 6.2 |
| Hungary | 7.2 | 5.9 |
| Denmark | 8.7 | 5.9 |
| Finland | 6.6 | 5.8 |
| Lithuania | 6.4 | 5.7 |
| Belgium | 5.3 | 5.4 |
| Ireland | 8.6 | 5.3 |
| Czechia | 6.9 | 5.1 |
| Austria | 5.6 | 4.9 |
| France | 4.3 | 4.6 |
| Spain | 5.1 | 4.5 |
| Sweden | 6.1 | 4.4 |
| Germany | 5.6 | 4.2 |
| Luxembourg | 6.1 | 3.5 |