| 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 中国 | 0.8 | 1.0 | 1.0 | 1.5 | 1.7 | 1.8 | 2.0 | 2.2 | 2.3 | 2.5 | 2.7 | 2.9 | 3.1 | 3.3 | 3.5 |
| カザフスタン | 9.8 | 6.0 | 6.8 | 7.5 | 7.7 | 7.9 | 7.9 | 7.1 | 7.2 | 7.4 | 7.0 | 6.8 | 6.9 | 6.9 | |
| キルギスタン | 10.2 | 7.9 | 6.2 | 5.6 | 5.8 | 5.9 | 6.0 | 5.0 | 5.0 | 5.0 | 4.8 | 4.7 | 4.5 | 4.4 | |
| ロシア連邦 | 6.7 | 7.4 | 7.7 | 7.7 | 9.2 | 8.9 | 9.2 | 9.3 | 9.0 | 8.9 | 8.9 | 8.9 | 8.9 | 6.2 | |
| タジキスタン | 5.8 | 4.1 | 3.4 | 3.9 | 4.0 | 4.4 | 4.4 | 4.7 | 4.7 | 5.0 | 5.1 | 5.2 | 5.2 | 5.4 | |
| パキスタン | 0.4 | 0.5 | 0.4 | 0.4 | 0.5 | 0.4 | 0.4 | 0.5 | 0.6 | 0.9 | 0.5 |