| Country | % Correct |
|---|---|
| United States | 100%
|
| Argentina | 97%
|
| Brazil | 97%
|
| China | 97%
|
| India | 97%
|
| Canada | 93%
|
| Russia | 86%
|
| France | 83%
|
| Indonesia | 79%
|
| Ukraine | 72%
|
| South Africa | 66%
|
| Italy | 62%
|
| Uruguay | 62%
|
| Bolivia | 59%
|
| Paraguay | 59%
|
| Kazakhstan | 52%
|
| Nigeria | 52%
|
| Romania | 48%
|
| Zambia | 14%
|
| Serbia | 7%
|
| Benin | 0%
|