| Year | Country | % Correct |
|---|---|---|
| 2021 | United Kingdom | 84%
|
| 1988 | Australia | 79%
|
| 2013 | Canada | 78%
|
| 1999 | New Zealand | 76%
|
| 2006* | Vietnam | 41%
|
| 2008 | Papua New Guinea | 38%
|
| 2003 | Romania | 36%
|
| 2006 | Brunei | 28%
|
| 2019 | Antigua and Barbuda | 26%
|
| 2019 | Saint Kitts and Nevis | 26%
|
| 2019 | Saint Lucia | 26%
|
| 2019 | Saint Vincent and the Grenadines | 26%
|
| 2019 | Dominica | 25%
|
| 2017 | Vanuatu | 25%
|
| 2022 | Barbados | 24%
|
| 2019 | Grenada | 24%
|
| 2017 | Maldives | 24%
|
| 2017 | Nicaragua | 19%
|
| 2017 | Mauritania | 5%
|