| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 |
0.5%
|
| -1 | Don't know | 384 |
38.4%
|
| 1 | France | 43 |
4.3%
|
| 2 | China | 150 |
15%
|
| 3 | India | 418 |
41.8%
|