| Years | Country | % Correct |
|---|---|---|
| 84.0 | Italy | 99%
|
| 85.1 | Japan | 99%
|
| 82.9 | New Zealand | 99%
|
| 82.9 | Norway | 97%
|
| 82.4 | Portugal | 97%
|
| 83.9 | Spain | 97%
|
| 83.5 | Sweden | 97%
|
| 83.6 | Australia | 96%
|
| 82.8 | Canada | 96%
|
| 82.7 | Finland | 96%
|
| 82.8 | Netherlands | 96%
|
| 83.5 | South Korea | 96%
|
| 79.1 | United States | 96%
|
| 82.1 | Austria | 95%
|
| 82.8 | Greece | 95%
|
| 81.7 | United Kingdom | 95%
|
| 81.9 | Germany | 94%
|
| 84.2 | Switzerland | 94%
|
| 82.6 | Belgium | 92%
|
| 81.8 | Denmark | 92%
|
| 80.7 | Poland | 92%
|
| 83.7 | Iceland | 91%
|
| 83.1 | France | 90%
|
| 83.3 | Ireland | 90%
|
| 82.7 | Luxembourg | 90%
|
| 84.0 | Singapore | 88%
|
| 80.9 | Czech Republic | 87%
|
| 80.5 | Estonia | 86%
|
| 81.0 | Qatar | 86%
|
| 82.0 | Slovenia | 86%
|
| 81.9 | Chile | 84%
|
| 79.6 | United Arab Emirates | 84%
|
| 83.0 | Israel | 82%
|
| 78.9 | Slovakia | 81%
|
| 79.0 | Turkey | 81%
|
| 79.0 | Argentina | 78%
|
| 81.1 | Taiwan | 78%
|
| 79.3 | Croatia | 77%
|
| 82.9 | Malta | 75%
|
| 80.2 | Uruguay | 74%
|
| 81.5 | Cyprus | 73%
|
| 78.8 | Bahrain | 71%
|
| 81.4 | Costa Rica | 66%
|
| 81.0 | Panama | 64%
|
| 79.5 | Bahamas | 62%
|
| 79.8 | Oman | 60%
|
| 78.9 | Thailand | 60%
|
| 80.6 | Cuba | 57%
|
| 80.7 | Barbados | 44%
|
| 80.7 | Lebanon | 44%
|