| Hint | Answer | % Correct |
|---|---|---|
| Member State | Indonesia | 98%
|
| Member State | Thailand | 98%
|
| Member State | Laos | 96%
|
| Member State | Philippines | 96%
|
| Member State | Vietnam | 96%
|
| Member State | Cambodia | 95%
|
| Member State | Malaysia | 95%
|
| Member State | Myanmar | 95%
|
| Member State | Brunei | 91%
|
| Member State | Singapore | 91%
|
| Observer | East Timor | 89%
|
| Observer | Papua New Guinea | 87%
|