| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 26 |
7.3%
|
| -8 | Refusal (spontaneous) | 22 |
6.2%
|
| 0 | 11 |
3.1%
|
|
| 1 | 4 |
1.1%
|
|
| 2 | 4 |
1.1%
|
|
| 3 | 3 |
0.8%
|
|
| 4 | 33 |
9.3%
|
|
| 5 | 4 |
1.1%
|
|
| 6 | 6 |
1.7%
|
|
| 8 | 1 |
0.3%
|
|
| 10 | 8 |
2.3%
|
|
| 12 | 45 |
12.7%
|
|
| 13 | 66 |
18.6%
|
|
| 14 | 71 |
20.1%
|
|
| 15 | 28 |
7.9%
|
|
| 16 | 9 |
2.5%
|
|
| 17 | 3 |
0.8%
|
|
| 18 | 4 |
1.1%
|
|
| 20 | 1 |
0.3%
|
|
| 22 | 1 |
0.3%
|
|
| 23 | 3 |
0.8%
|
|
| 25 | 1 |
0.3%
|