| 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kazakhstan | 60.6 | 61.4 | 63.4 | 63.8 | 64.2 | 65.0 | 65.4 | 65.7 | 66.0 | 66.2 | 66.4 | 66.4 | 65.0 | 63.8 |
| Azerbaijan | 59.6 | 61.6 | 63.4 | 63.9 | 64.3 | 64.7 | 65.1 | 65.8 | 66.1 | 66.8 | 67.2 | 67.6 | 65.5 | 65.0 |
| Kyrgyzstan | 60.5 | 61.7 | 63.8 | 64.0 | 64.4 | 65.0 | 65.1 | 65.4 | 66.1 | 66.4 | 66.7 | 66.9 | 65.1 | 65.5 |
| Turkey | 65.3 | 67.2 | 67.2 | 67.3 | 67.4 | 67.4 | 67.2 | 67.1 | 67.1 | 67.4 | 67.7 | 67.8 | 66.8 | 65.9 |