| Rank | Cost (USD) | Country | % Correct |
|---|---|---|---|
| 5 | 2.39 | India | 80%
|
| 4 | 2.34 | Indonesia | 67%
|
| 14 | 2.95 | Vietnam | 60%
|
| 7 | 2.45 | Malaysia | 58%
|
| 11 | 2.75 | Philippines | 55%
|
| 6 | 2.43 | Egypt | 53%
|
| 3 | 2.34 | South Africa | 52%
|
| 10 | 2.68 | Turkey | 48%
|
| 13 | 2.83 | Japan | 47%
|
| 8 | 2.51 | Taiwan | 41%
|
| 2 | 2.28 | Romania | 26%
|
| 1 | 1.76 | Venezuela | 23%
|
| 15 | 3.11 | Moldova | 15%
|
| 9 | 2.65 | Hungary | 11%
|
| 12 | 2.77 | Azerbaijan | 6%
|