| Countries | 2014 | 2020 |
|---|---|---|
| EU-27 | 2.16 | 2.53 |
| Finland | 6.34 | 6.24 |
| Estonia | 3.94 | 4.97 |
| Austria | 4.3 | 4.38 |
| Sweden (2015-2020) | 3.27 | 4.05 |
| Denmark | 2.79 | 3.24 |
| Luxembourg | 1.76 | 2.96 |
| Lithuania | 2.08 | 2.92 |
| Latvia | 2.68 | 2.73 |
| Spain | 2.13 | 2.69 |
| Czechia | 2.57 | 2.68 |
| Romania | 3.56 | 2.58 |
| Poland | 2.52 | 2.53 |
| Bulgaria | 1.56 | 2.5 |
| Italy | 1.86 | 2.46 |
| Netherlands | 2.11 | 2.44 |
| Portugal | 2.31 | 2.4 |
| Germany | 1.82 | 2.39 |
| Greece | 1.68 | 2.29 |
| France | 1.79 | 2.0 |
| Cyprus (2018-2020) | 1.58 | 1.89 |
| Slovenia | 1.81 | 1.73 |
| Belgium | 1.53 | 1.67 |
| Slovakia (2018-2020) | 1.24 | 1.62 |
| Croatia | 1.6 | 1.5 |
| Malta | 1.16 | 1.28 |
| Ireland | 0.84 | 0.98 |