| Value | Category | Cases | |
|---|---|---|---|
| -2 | Refusal to answer | 0 |
0%
|
| -1 | Don't know | 0 |
0%
|
| 0 | 27 |
87.1%
|
|
| 14 | 1 |
3.2%
|
|
| 20 | 1 |
3.2%
|
|
| 22 | 1 |
3.2%
|
|
| 60 | 1 |
3.2%
|