Rounding out the top 10 were Frankfurt,Helsinki,Auckland and Copenhagen,while scraping bottom were Ouagadougou,Burkina Faso,at 209,and Baghdad at 211.

• 排在前十名的城市还有法兰克福、赫尔辛基、奥克兰和哥本哈根，而布基纳法索首都瓦加杜古排到了209名，巴格达位居211。