| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 30 |
1.7%
|
| -1 | Don't know | 1120 |
63.6%
|
| 1 | France | 87 |
4.9%
|
| 2 | China | 142 |
8.1%
|
| 3 | India | 383 |
21.7%
|