| # Years | Country | % Correct |
|---|---|---|
| 16 | United States | 99%
|
| 16 | United Kingdom | 94%
|
| 17 | Norway | 92%
|
| 17 | Spain | 92%
|
| 16 | Sweden | 92%
|
| 16 | Italy | 91%
|
| 17 | Finland | 90%
|
| 16 | Germany | 88%
|
| 16 | France | 87%
|
| 20 | Australia | 86%
|
| 19 | Denmark | 86%
|
| 18 | Netherlands | 86%
|
| 16 | Switzerland | 86%
|
| 19 | New Zealand | 85%
|
| 16 | Portugal | 85%
|
| 16 | Belgium | 84%
|
| 19 | Ireland | 84%
|
| 16 | Austria | 82%
|
| 18 | Greece | 79%
|
| 19 | Iceland | 79%
|
| 17 | South Korea | 75%
|
| 16 | Czech Republic | 73%
|
| 16 | Estonia | 70%
|
| 16 | Lithuania | 67%
|
| 17 | Slovenia | 67%
|
| 18 | Argentina | 52%
|
| 16 | Israel | 49%
|
| 16 | Belarus | 35%
|
| 16 | Saudi Arabia | 33%
|
| 16 | Uruguay | 33%
|
| 16 | Mauritius | 9%
|
| 16 | Grenada | 3%
|