| Rank | % in 2015 | Countries | % Correct |
|---|---|---|---|
| 6 | 2,878 | Denmark | 95%
|
| 12 | 2,538 | Sweden | 95%
|
| 10 | 2,572 | Estonia | 93%
|
| 1 | 4,500 | Russia | 93%
|
| 15 | 2,163 | Belgium | 91%
|
| 9 | 2,604 | Latvia | 91%
|
| 3 | 3,225 | Lithuania | 91%
|
| 4 | 3,025 | Ukraine | 91%
|
| 2 | 3,475 | Belarus | 89%
|
| 11 | 2,543 | Finland | 89%
|
| 14 | 2,361 | Luxembourg | 89%
|
| 20 | 2,041 | Switzerland | 86%
|
| 13 | 2,473 | Czech republic | 84%
|
| 16 | 2,153 | Portugal | 84%
|
| 18 | 2,079 | Spain | 82%
|
| 19 | 2,063 | Hungary | 80%
|
| 5 | 2,988 | Moldova | 80%
|
| 8 | 2,615 | Liechtenstein | 73%
|
| 17 | 2,133 | Cyprus | 27%
|
| 7 | 2,659 | Åland (Finland) | 7%
|