| 1 |
Sweden |
35 |
4 weeks / 12 months (varies by source) |
| 2 |
Denmark |
32 |
4 weeks / 12 months (varies by source) |
| 3 |
Norway |
30 |
4 weeks / 12 months (varies by source) |
| 4 |
Finland |
29 |
4 weeks / 12 months (varies by source) |
| 5 |
Netherlands |
27 |
4 weeks / 12 months (varies by source) |
| 6 |
Switzerland |
26 |
4 weeks / 12 months (varies by source) |
| 7 |
Iceland |
25 |
4 weeks / 12 months (varies by source) |
| 8 |
New Zealand |
24 |
4 weeks / 12 months (varies by source) |
| 9 |
Estonia |
23 |
4 weeks / 12 months (varies by source) |
| 10 |
United Kingdom |
22 |
4 weeks / 12 months (varies by source) |