| 2000 | 2012 | |
|---|---|---|
| China | 61.0 | 77.0 |
| Japan | 77.0 | 77.0 |
| Myanmar | 31.0 | 44.0 |
| Philippines | 40.0 | 55.0 |
| Thailand | 47.0 | 62.0 |
| Republic of Korea | 74.0 | 73.0 |
| Brunei Darussalam | 65.0 | 73.0 |
| Malaysia | 60.0 | 64.0 |
| Viet Nam | 50.0 | 60.0 |
| Cambodia | 22.0 | 37.0 |
| Lao People's Democratic Republic | 24.0 | 29.0 |
| Indonesia | 44.0 | 55.0 |
| Singapore | 78.0 | 77.0 |