Last year the top ten cities were Zurich, Geneva, Vancouver, Vienna, Auckland, Dusseldorf, Frankfurt, Munich, Bern and Sydney.

• 去年，排名前十的城市是：苏黎世，杰尼瓦，温哥华，维也纳，奥克兰，杜塞道夫，法兰克福，慕尼黑，伯尔尼，悉尼。