| 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kyrgyzstan | 58.1 | 59.2 | 61.1 | 61.5 | 61.8 | 62.5 | 62.6 | 63.2 | 64.1 | 64.2 | 64.6 | 64.8 | 63.0 | 63.4 |
| Kazakhstan | 56.4 | 57.1 | 60.0 | 60.6 | 61.1 | 61.9 | 62.6 | 63.0 | 63.3 | 63.8 | 63.9 | 64.0 | 62.5 | 61.6 |
| Belarus | 60.2 | 60.2 | 61.7 | 61.8 | 63.1 | 63.5 | 64.0 | 64.5 | 64.6 | 64.9 | 65.1 | 65.4 | 63.9 | 63.7 |
| Russian Federation | 56.7 | 56.9 | 60.0 | 60.8 | 61.1 | 61.6 | 61.6 | 62.1 | 62.4 | 63.1 | 63.3 | 63.7 | 62.2 | 60.9 |
| Armenia | 63.0 | 63.5 | 64.3 | 64.6 | 64.9 | 65.3 | 65.3 | 65.4 | 65.5 | 66.1 | 66.4 | 66.5 | 61.0 | 64.0 |