| Value | Category | Cases | |
|---|---|---|---|
| -2 | Don't know | 352 |
11.7%
|
| -1 | Refused | 1 |
0%
|
| 6 | 4 |
0.1%
|
|
| 7 | 23 |
0.8%
|
|
| 8 | 158 |
5.3%
|
|
| 9 | 538 |
17.9%
|
|
| 10 | 760 |
25.3%
|
|
| 11 | 539 |
18%
|
|
| 12 | 421 |
14%
|
|
| 13 | 134 |
4.5%
|
|
| 14 | 50 |
1.7%
|
|
| 15 | 12 |
0.4%
|
|
| 16 | 6 |
0.2%
|
|
| 17 | 1 |
0%
|