Switzerland
7.1
Sweden
6.6
Denmark
6.4
France
6.4
Finland
6.3
Germany
6.2
Austria
5.8
Great Britain
5.6
Czech Republic
5.3
Netherlands
5.2
Luxembourg
5.2
Spain
5.1
Italy
5
Belgium
4.7
Norway
4.6
Slovenia
4.3
Ireland
3.8
Lithuania
3.5
hungary
3.5
Latvia
3.4
Slovakia
3.4
Romania
3.3
Poland
3.2
Portugal
2.6
Bulgaria
2.2