| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 249 |
69.6%
|
| -8 | Refusal (spontaneous) | 16 |
4.5%
|
| 0 | 10 |
2.8%
|
|
| 1 | 2 |
0.6%
|
|
| 2 | 1 |
0.3%
|
|
| 3 | 4 |
1.1%
|
|
| 4 | 4 |
1.1%
|
|
| 5 | 1 |
0.3%
|
|
| 6 | 1 |
0.3%
|
|
| 7 | 1 |
0.3%
|
|
| 8 | 2 |
0.6%
|
|
| 10 | 6 |
1.7%
|
|
| 11 | 1 |
0.3%
|
|
| 12 | 1 |
0.3%
|
|
| 15 | 3 |
0.8%
|
|
| 17 | 1 |
0.3%
|
|
| 20 | 3 |
0.8%
|
|
| 22 | 2 |
0.6%
|
|
| 25 | 1 |
0.3%
|
|
| 26 | 1 |
0.3%
|
|
| 27 | 2 |
0.6%
|
|
| 28 | 11 |
3.1%
|
|
| 29 | 1 |
0.3%
|
|
| 30 | 12 |
3.4%
|
|
| 32 | 1 |
0.3%
|
|
| 33 | 8 |
2.2%
|
|
| 34 | 1 |
0.3%
|
|
| 35 | 3 |
0.8%
|
|
| 36 | 2 |
0.6%
|
|
| 39 | 3 |
0.8%
|
|
| 40 | 3 |
0.8%
|
|
| 60 | 1 |
0.3%
|