| 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Saudi Arabia | 61.2 | 62.3 | 64.5 | 65.4 | 66.1 | 66.4 | 66.4 | 66.3 | 66.3 | 66.4 | 66.3 | 66.4 | 65.1 | 65.8 |
| Bahrain | 61.2 | 62.8 | 64.7 | 64.9 | 65.2 | 65.7 | 66.1 | 66.1 | 66.1 | 66.0 | 66.1 | 66.3 | 64.8 | 64.8 |
| United Arab Emirates | 68.4 | 69.1 | 69.6 | 69.5 | 69.5 | 69.7 | 69.8 | 69.8 | 69.8 | 69.9 | 70.1 | 70.2 | 68.6 | 67.4 |
| Qatar | 61.4 | 62.3 | 64.2 | 64.8 | 65.2 | 65.9 | 66.6 | 67.6 | 67.9 | 68.2 | 68.2 | 68.4 | 66.9 | 66.5 |
| Oman | 61.4 | 62.6 | 62.6 | 62.8 | 63.2 | 63.5 | 63.5 | 63.5 | 63.4 | 63.8 | 64.4 | 64.6 | 63.8 | 62.7 |
| Kuwait | 66.9 | 67.3 | 68.9 | 69.6 | 69.2 | 69.4 | 69.6 | 69.0 | 70.0 | 69.8 | 70.1 | 69.7 | 66.9 | 67.5 |