| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 90 |
13.9%
|
| -8 | Refusal (spontaneous) | 105 |
16.2%
|
| 0 | 21 |
3.2%
|
|
| 1 | 3 |
0.5%
|
|
| 2 | 24 |
3.7%
|
|
| 3 | 20 |
3.1%
|
|
| 4 | 4 |
0.6%
|
|
| 5 | 59 |
9.1%
|
|
| 6 | 5 |
0.8%
|
|
| 7 | 4 |
0.6%
|
|
| 8 | 23 |
3.5%
|
|
| 9 | 4 |
0.6%
|
|
| 10 | 117 |
18%
|
|
| 11 | 8 |
1.2%
|
|
| 12 | 7 |
1.1%
|
|
| 13 | 4 |
0.6%
|
|
| 14 | 5 |
0.8%
|
|
| 15 | 72 |
11.1%
|
|
| 16 | 4 |
0.6%
|
|
| 17 | 3 |
0.5%
|
|
| 18 | 12 |
1.8%
|
|
| 19 | 1 |
0.2%
|
|
| 20 | 45 |
6.9%
|
|
| 21 | 1 |
0.2%
|
|
| 22 | 2 |
0.3%
|
|
| 24 | 1 |
0.2%
|
|
| 25 | 5 |
0.8%
|