| Value | Category | Cases | |
|---|---|---|---|
| -2 | Refusal to answer | 0 |
0%
|
| -1 | Don't know | 0 |
0%
|
| 1 | 20 |
64.5%
|
|
| 2 | 9 |
29%
|
|
| 4 | 2 |
6.5%
|