| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 135 |
38.5%
|
| -8 | Refusal (spontaneous) | 17 |
4.8%
|
| 0 | 80 |
22.8%
|
|
| 1 | 2 |
0.6%
|
|
| 2 | 4 |
1.1%
|
|
| 3 | 2 |
0.6%
|
|
| 4 | 2 |
0.6%
|
|
| 6 | 3 |
0.9%
|
|
| 8 | 2 |
0.6%
|
|
| 9 | 2 |
0.6%
|
|
| 10 | 4 |
1.1%
|
|
| 12 | 4 |
1.1%
|
|
| 13 | 1 |
0.3%
|
|
| 15 | 3 |
0.9%
|
|
| 18 | 4 |
1.1%
|
|
| 19 | 2 |
0.6%
|
|
| 20 | 65 |
18.5%
|
|
| 22 | 1 |
0.3%
|
|
| 23 | 1 |
0.3%
|
|
| 25 | 2 |
0.6%
|
|
| 26 | 1 |
0.3%
|
|
| 27 | 1 |
0.3%
|
|
| 30 | 1 |
0.3%
|
|
| 33 | 1 |
0.3%
|
|
| 35 | 2 |
0.6%
|
|
| 36 | 1 |
0.3%
|
|
| 38 | 2 |
0.6%
|
|
| 45 | 1 |
0.3%
|
|
| 50 | 4 |
1.1%
|
|
| 60 | 1 |
0.3%
|