| Member State | 2005 | 2010 | 2015 |
|---|---|---|---|
| EU28 | 2.7 | 2.7 | 2.5 |
| Austria | 1.4 | 1.3 | 1.3 |
| Belgium | 2.1 | 2.0 | 2.0 |
| Bulgaria | 14.0 | 8.7 | 9.8 |
| Cyprus | 7.9 | 6.3 | 5.9 |
| Czech Republic | 4.0 | 3.8 | 3.9 |
| Denmark | 2.2 | 2.0 | 1.6 |
| Estonia | 7.7 | 5.5 | 5.0 |
| Finland | 2.2 | 2.5 | 2.7 |
| France | 3.5 | 3.2 | 3.0 |
| Germany | 1.0 | 1.0 | 1.0 |
| Greece | 6.0 | 5.8 | 7.6 |
| Hungary | 4.6 | 4.6 | 4.5 |
| Ireland | 1.7 | 2.0 | 1.3 |
| Italy | 2.5 | 2.6 | 2.5 |
| Latvia | 8.2 | 4.0 | 3.5 |
| Lithuania | 5.8 | 4.8 | 2.8 |
| Luxembourg | 1.0 | 0.9 | 0.8 |
| Malta | 8.6 | 6.4 | 4.8 |
| Netherlands | 1.8 | 1.6 | 1.4 |
| Poland | 9.4 | 8.2 | 8.0 |
| Portugal | 8.2 | 7.4 | 6.8 |
| Romania | 6.2 | 5.3 | 5.4 |
| Slovakia | 4.4 | 4.1 | 3.8 |
| Slovenia | 2.3 | 2.3 | 2.4 |
| Spain | 5.2 | 4.9 | 4.7 |
| Sweden | 1.5 | 1.4 | 1.3 |
| United Kingdom | 1.8 | 2.1 | 1.6 |