| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 23 |
1.8%
|
| -1 | Don't know | 483 |
38.2%
|
| 1 | France | 111 |
8.8%
|
| 2 | China | 169 |
13.3%
|
| 3 | India | 480 |
37.9%
|