World rank in 2014 CH: 10th, UAE: 21st
Rank in 2023 CH: 12th, UAE: 20th
4.5
21.6
5.3
21.8
7.8
23.3
7.8
20.9
8.7
20.7
9.6
22.9
9.9
22.1
9.6
22.4
11.4
22.8
13
23.7
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021