| Years | Country | % Correct |
|---|---|---|
| 79.5 | Denmark | 100%
|
| 79.6 | Germany | 100%
|
| 82.1 | Iceland | 100%
|
| 81.2 | Spain | 100%
|
| 80.2 | United Kingdom | 100%
|
| 76.6 | United States | 100%
|
| 81.1 | Canada | 97%
|
| 79.9 | Finland | 97%
|
| 81.9 | Japan | 97%
|
| 83.0 | Liechtenstein | 97%
|
| 80.8 | Norway | 97%
|
| 81.7 | Sweden | 97%
|
| 82.0 | Australia | 93%
|
| 80.3 | France | 93%
|
| 81.9 | Italy | 93%
|
| 81.0 | Luxembourg | 93%
|
| 81.2 | Netherlands | 93%
|
| 79.8 | Portugal | 93%
|
| 82.5 | Switzerland | 93%
|
| 80.0 | Austria | 90%
|
| 79.8 | Belgium | 90%
|
| 85.1 | Monaco | 90%
|
| 81.2 | New Zealand | 90%
|
| 80.4 | South Korea | 90%
|
| 81.2 | Andorra | 87%
|
| 81.3 | Ireland | 87%
|
| 81.4 | Malta | 83%
|
| 77.3 | Czech Republic | 80%
|
| 80.5 | Greece | 80%
|
| 79.7 | Qatar | 80%
|
| 81.7 | San Marino | 80%
|
| 82.0 | Singapore | 77%
|
| 79.5 | Cyprus | 73%
|
| 81.9 | Israel | 73%
|
| 79.2 | Slovenia | 73%
|
| 78.5 | Taiwan | 73%
|
| 76.9 | Oman | 70%
|
| 77.8 | United Arab Emirates | 70%
|
| 79.4 | Chile | 67%
|
| 76.9 | Bahrain | 63%
|
| 76.1 | Uruguay | 60%
|
| 78.8 | Costa Rica | 50%
|
| 76.4 | Panama | 50%
|
| 77.3 | Cuba | 47%
|
| 77.5 | Lebanon | 43%
|
| 77.4 | Albania | 40%
|
| 76.3 | Iran | 37%
|
| 78.4 | Barbados | 30%
|
| 78.5 | Maldives | 30%
|
| 76.7 | Algeria | 10%
|