| Year | Country | % Correct |
|---|---|---|
| 2000 BC | China | 99%
|
| 1600 | United Kingdom | 96%
|
| 2000 BC | India | 95%
|
| 1 AD | France | 94%
|
| 100 BC | Italy | 94%
|
| 1200 | Russia | 94%
|
| 1100 | Germany | 92%
|
| 200 | Spain | 90%
|
| 1600 | Egypt | 88%
|
| 600 | Japan | 87%
|
| 200 BC | Turkey | 81%
|
| 400 | Iran | 80%
|
| 800 | Mexico | 73%
|
| 1100 | Pakistan | 72%
|
| 1000 | Indonesia | 71%
|
| 1600 | Poland | 64%
|
| 600 | Bangladesh | 54%
|
| 1200 | Nigeria | 53%
|
| 1400 | D. R. Congo | 40%
|
| 1300 | Peru | 39%
|