| Year (BC) | Country | % Correct |
|---|---|---|
| 3200 | Iran | 94%
|
| 2070 | China | 90%
|
| 3100 | Egypt | 86%
|
| 2000 | India | 81%
|
| 1300 | Israel | 68%
|
| 1070 | Sudan | 49%
|
| 2492 | Armenia | 37%
|
| 1300 | Georgia | 35%
|
| 2879 | Vietnam | 30%
|
| 2333 | North Korea | 16%
|