| Country | Percentage sealing in 2006 | Percentage sealing in 2009 | Percentage sealing in 2012 | Percentage sealing in 2015 |
|---|---|---|---|---|
| Iceland | 0.06 | 0.06 | 0.06 | 0.07 |
| Norway | 0.22 | 0.23 | 0.23 | 0.24 |
| Latvia | 0.37 | 0.37 | 0.38 | 0.38 |
| Sweden | 0.37 | 0.38 | 0.38 | 0.38 |
| Finland | 0.4 | 0.4 | 0.41 | 0.41 |
| Estonia | 0.41 | 0.42 | 0.42 | 0.43 |
| Montenegro | 0.47 | 0.47 | 0.47 | 0.47 |
| Turkey | 0.57 | 0.58 | 0.6 | 0.64 |
| Albania | 0.57 | 0.58 | 0.6 | 0.61 |
| North Macedonia | 0.59 | 0.6 | 0.62 | 0.63 |
| Bosnia and Herzegovina | 0.59 | 0.6 | 0.61 | 0.62 |
| Lithuania | 0.73 | 0.74 | 0.75 | 0.76 |
| Romania | 0.82 | 0.83 | 0.85 | 0.87 |
| Bulgaria | 0.85 | 0.86 | 0.88 | 0.89 |
| Kosovo | 0.92 | 0.93 | 0.96 | 1.04 |
| Greece | 0.93 | 0.94 | 0.96 | 0.97 |
| Ireland | 0.99 | 1.01 | 1.02 | 1.03 |
| Serbia | 1.01 | 1.01 | 1.02 | 1.04 |
| Spain | 1.15 | 1.2 | 1.22 | 1.23 |
| Croatia | 1.19 | 1.21 | 1.23 | 1.24 |
| Poland | 1.33 | 1.35 | 1.4 | 1.44 |
| Slovakia | 1.42 | 1.45 | 1.49 | 1.51 |
| Hungary | 1.43 | 1.45 | 1.48 | 1.5 |
| Slovenia | 1.62 | 1.66 | 1.68 | 1.68 |
| Austria | 1.72 | 1.75 | 1.77 | 1.78 |
| Cyprus | 1.81 | 1.87 | 1.95 | 2.06 |
| Portugal | 2.03 | 2.07 | 2.1 | 2.12 |
| France | 2.09 | 2.14 | 2.17 | 2.19 |
| Czechia | 2.31 | 2.35 | 2.38 | 2.39 |
| Italy | 2.66 | 2.7 | 2.73 | 2.74 |
| Switzerland | 2.69 | 2.71 | 2.78 | 2.79 |
| Denmark | 2.77 | 2.81 | 2.85 | 2.86 |
| United Kingdom | 3.04 | 3.05 | 3.08 | 3.1 |
| Luxembourg | 4.04 | 4.17 | 4.24 | 4.26 |
| Germany | 4.18 | 4.23 | 4.29 | 4.31 |
| Liechtenstein | 4.43 | 4.44 | 4.5 | 4.51 |
| Belgium | 5.88 | 5.93 | 6.01 | 6.04 |
| Netherlands | 7.09 | 7.19 | 7.33 | 7.35 |
| Malta | 16.02 | 16.04 | 16.13 | 16.15 |