| Percentage | Proficiency | Country | % Correct |
|---|---|---|---|
| 63% | Very high | Germany | 99%
|
| 68% | Very high | Sweden | 99%
|
| 67% | Very high | Norway | 98%
|
| 67% | Very high | Denmark | 94%
|
| 65% | Very high | Finland | 91%
|
| 70% | Very high | Netherlands | 91%
|
| 63% | Very high | Belgium | 83%
|
| 63% | Very high | Poland | 80%
|
| 64% | Very high | Austria | 79%
|
| 60% | High | Switzerland | 78%
|
| 64% | Very high | Luxembourg | 76%
|
| 63% | Very high | Portugal | 64%
|
| 66% | Very high | Singapore | 56%
|
| 61% | High | Hungary | 53%
|
| 61% | High | Romania | 52%
|
| 63% | Very high | Croatia | 50%
|
| 65% | Very high | South Africa | 49%
|
| 60% | High | Philippines | 43%
|
| 61% | High | Serbia | 42%
|
| 60% | High | Kenya | 26%
|