| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 39 |
3.3%
|
| -1 | Don't know | 297 |
24.8%
|
| 1 | France | 106 |
8.8%
|
| 2 | China | 172 |
14.3%
|
| 3 | India | 586 |
48.8%
|