| Rank | Year | City | Country |
|---|---|---|---|
| 1 | 2015 | Tokyo | Japan |
| 2 | 2015 | Vienna | Austria |
| 3 | 2015 | Berlin | Germany |
| 4 | 2015 | Melbourne | Australia |
| 5 | 2015 | Sydney | Australia |
| 6 | 2015 | Stockholm | Sweden |
| 7 | 2015 | Vancouver | Canada |
| 8 | 2015 | Helsinki | Finland |
| 9 | 2015 | Munich | Germany |
| 10 | 2015 | Copenhagen | Denmark |
| 10 | 2015 | Zurich | Switzerland |
| 12 | 2015 | Fukuoka | Japan |
| 13 | 2015 | Singapore | Singapore |
| 14 | 2015 | Kyoto | Japan |
| 15 | 2015 | Paris | France |
| 16 | 2015 | Madrid | Spain |
| 17 | 2015 | Auckland | New Zealand |
| 18 | 2015 | Lisbon | Portugal |
| 19 | 2015 | Hong Kong | China |
| 20 | 2015 | Amsterdam | The Netherlands |
| 21 | 2015 | Hamburg | Germany |
| 22 | 2015 | Geneva | Switzerland |
| 23 | 2015 | Oslo | Norway |
| 24 | 2015 | Barcelona | Spain |
| 25 | 2015 | Portland | United States |