| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 144 |
12%
|
| -1 | Don't know | 362 |
30.2%
|
| 1 | France | 159 |
13.3%
|
| 2 | China | 215 |
17.9%
|
| 3 | India | 320 |
26.7%
|