| 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bahrain | 60.7 | 61.7 | 63.5 | 63.6 | 63.8 | 64.0 | 64.4 | 64.5 | 64.5 | 64.7 | 64.8 | 64.7 | 64.4 | 63.0 |
| Kuwait | 67.6 | 68.1 | 69.1 | 69.7 | 70.1 | 70.5 | 70.5 | 70.8 | 71.3 | 71.7 | 71.9 | 71.8 | 69.3 | 68.4 |
| Oman | 64.2 | 65.6 | 65.3 | 65.3 | 65.6 | 65.9 | 65.9 | 65.8 | 65.8 | 66.1 | 66.5 | 66.8 | 65.1 | 63.6 |
| United Arab Emirates | 65.7 | 66.7 | 67.9 | 67.8 | 67.8 | 68.0 | 68.0 | 68.1 | 68.2 | 68.3 | 68.5 | 68.7 | 68.4 | 66.8 |
| Saudi Arabia | 61.1 | 62.1 | 64.4 | 65.3 | 65.8 | 66.0 | 66.0 | 65.7 | 65.4 | 65.3 | 65.5 | 65.6 | 65.4 | 65.1 |
| Qatar | 62.3 | 62.0 | 63.7 | 64.2 | 64.8 | 65.2 | 65.4 | 65.9 | 66.1 | 66.3 | 66.4 | 66.5 | 65.6 | 65.0 |