| Countries | 2014 | 2019 |
|---|---|---|
| EU-27 | 2.0 | 2.0 |
| Austria | 3.1 | 3.5 |
| Belgium | 3.3 | 3.2 |
| Poland | 1.8 | 2.8 |
| Czechia | 2.8 | 2.6 |
| Netherlands | 2.7 | 2.4 |
| Croatia | 2.3 | 2.2 |
| Estonia | 2.6 | 2.2 |
| Germany | 2.2 | 2.2 |
| Slovenia | 2.4 | 2.1 |
| Sweden | 1.9 | 2.1 |
| Denmark | 2.1 | 2.0 |
| France | 2.0 | 2.0 |
| Latvia | 2.0 | 2.0 |
| Italy | 1.6 | 1.8 |
| Slovakia | 1.9 | 1.8 |
| Lithuania | 1.8 | 1.7 |
| Hungary | 2.3 | 1.7 |
| Portugal | 1.4 | 1.7 |
| Cyprus | 1.6 | 1.6 |
| Spain | 1.6 | 1.6 |
| Bulgaria | 2.5 | 1.5 |
| Malta | 1.6 | 1.5 |
| Finland | 1.7 | 1.4 |
| Greece | 1.4 | 1.2 |
| Luxembourg | 0.8 | 1.0 |
| Romania | 1.0 | 0.8 |
| Ireland | 1.1 | 0.7 |