| pairs annually | country | % Correct |
|---|---|---|
| 12.6 billion | China | 99%
|
| 2.1 billion | India | 93%
|
| 660 million | Indonesia | 76%
|
| 760 million | Vietnam | 76%
|
| 895 million | Brazil | 72%
|
| 245 million | Thailand | 71%
|
| 295 million | Pakistan | 70%
|
| 205 million | Italy | 65%
|
| 245 million | Mexico | 65%
|
| 175 million | Turkey | 54%
|