| Europe (%) |
| Andorra | 81.8 in 2019 | WB |
| Albania | 35.92 in 2020 | WB |
| Croatia | 23.46 in 2020 | WB |
| Spain | 19.77 in 1998 | WB |
| Montenegro | 14.43 in 2020 | WB |
| Portugal | 12.36 in 2020 | WB |
| Iceland | 11.85 in 2008 | WB |
| Malta | 11.48 in 2007 | WB |
| Republic of Moldova | 10.99 in 2020 | WB |
| Greece | 10.49 in 2020 | WB |
| United Kingdom | 8.24 in 1998 | WB |
| Lithuania | 7.54 in 2004 | WB |
| Latvia | 7.25 in 2007 | WB |
| Austria | 6.85 in 2020 | WB |
| Bosnia and Herzegovina | 6.24 in 2020 | WB |
| Serbia | 5.58 in 2020 | WB |
| Sweden | 4.85 in 2010 | WB |
| France | 4.78 in 2020 | WB |
| Bulgaria | 4.53 in 2020 | WB |
| Denmark | 4.51 in 2018 | WB |
| Estonia | 3.98 in 2020 | WB |
| Italy | 3.65 in 2020 | WB |
| North Macedonia | 3.52 in 2020 | WB |
| Hungary | 3.4 in 2020 | WB |
| Slovenia | 3.39 in 2020 | WB |
| Germany | 3.18 in 2019 | WB |
| Luxembourg | 2.96 in 2020 | WB |
| Poland | 2.63 in 2020 | WB |
| Czech Republic | 2.25 in 2020 | WB |
| Switzerland | 2.11 in 2020 | WB |
| Norway | 1.86 in 2020 | WB |
| Finland | 1.8 in 2020 | WB |
| Belgium | 1.8 in 2020 | WB |
| Romania | 1.73 in 2020 | WB |
| Netherlands | 1.53 in 2020 | WB |
| Belarus | 1.46 in 2020 | WB |
| Slovakia | 1.44 in 2020 | WB |
| Russian Federation | 1.3 in 2020 | WB |
| Ukraine | 1.13 in 2020 | WB |
| Ireland | 0.73 in 2020 | WB |
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