| 2000 | 2012 | |
|---|---|---|
| Pakistan | 10.0 | 13.0 |
| Philippines | 13.0 | 11.0 |
| India | 13.0 | 15.0 |
| Thailand | 15.0 | 16.0 |
| Cambodia | 12.0 | 15.0 |
| Papua New Guinea | 11.0 | 11.0 |
| Afghanistan | 13.0 | 18.0 |
| Solomon Islands | 13.0 | 13.0 |
| Viet Nam | 17.0 | 15.0 |
| Lao People’s Democratic Republic | 11.0 | 11.0 |
| Singapore | 10.0 | 8.0 |
| Mongolia | 14.0 | 15.0 |
| Australia | 13.0 | 11.0 |
| Kyrgyzstan | 13.0 | 14.0 |
| New Zealand | 13.0 | 13.0 |
| Georgia | 7.0 | 6.0 |
| Republic of Korea | 19.0 | 20.0 |
| Uzbekistan | 11.0 | 11.0 |
| Azerbaijan | 9.0 | 9.0 |
| Sri Lanka | 31.0 | 20.0 |
| Maldives | 12.0 | 11.0 |
| Brunei Darussalam | 20.0 | 15.0 |
| Nepal | 12.0 | 14.0 |
| Bhutan | 24.0 | 24.0 |
| Armenia | 8.0 | 9.0 |
| Bangladesh | 10.0 | 12.0 |
| Kazakhstan | 20.0 | 17.0 |
| Indonesia | 10.0 | 10.0 |
| China | 17.0 | 13.0 |
| Timor-Leste | 9.0 | 11.0 |
| Japan | 13.0 | 13.0 |
| Tajikistan | 10.0 | 11.0 |
| Fiji | 14.0 | 12.0 |
| Myanmar | 13.0 | 15.0 |
| Turkmenistan | 13.0 | 15.0 |
| Malaysia | 17.0 | 16.0 |