| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 89 |
8.7%
|
| -8 | Refusal (spontaneous) | 43 |
4.2%
|
| 0 | 100 |
9.7%
|
|
| 1 | 59 |
5.7%
|
|
| 2 | 26 |
2.5%
|
|
| 3 | 19 |
1.8%
|
|
| 4 | 17 |
1.7%
|
|
| 5 | 38 |
3.7%
|
|
| 6 | 16 |
1.6%
|
|
| 7 | 19 |
1.8%
|
|
| 8 | 142 |
13.8%
|
|
| 9 | 25 |
2.4%
|
|
| 10 | 389 |
37.8%
|
|
| 11 | 3 |
0.3%
|
|
| 12 | 7 |
0.7%
|
|
| 14 | 1 |
0.1%
|
|
| 15 | 30 |
2.9%
|
|
| 16 | 2 |
0.2%
|
|
| 17 | 1 |
0.1%
|
|
| 20 | 2 |
0.2%
|