| Value | Category | Cases | |
|---|---|---|---|
| -2 | Refusal to answer | 0 |
0%
|
| -1 | Don't know | 1 |
3.2%
|
| 2 | 1 |
3.2%
|
|
| 3 | 2 |
6.5%
|
|
| 4 | 1 |
3.2%
|
|
| 5 | 1 |
3.2%
|
|
| 6 | 4 |
12.9%
|
|
| 7 | 1 |
3.2%
|
|
| 8 | 2 |
6.5%
|
|
| 10 | 5 |
16.1%
|
|
| 15 | 1 |
3.2%
|
|
| 16 | 1 |
3.2%
|
|
| 18 | 1 |
3.2%
|
|
| 20 | 6 |
19.4%
|
|
| 35 | 1 |
3.2%
|
|
| 36 | 1 |
3.2%
|
|
| 40 | 2 |
6.5%
|