| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 73 |
11.2%
|
| -8 | Refusal (spontaneous) | 110 |
16.9%
|
| 0 | 1 |
0.2%
|
|
| 2 | 6 |
0.9%
|
|
| 3 | 16 |
2.5%
|
|
| 4 | 17 |
2.6%
|
|
| 5 | 69 |
10.6%
|
|
| 6 | 4 |
0.6%
|
|
| 7 | 9 |
1.4%
|
|
| 8 | 14 |
2.2%
|
|
| 9 | 3 |
0.5%
|
|
| 10 | 66 |
10.2%
|
|
| 11 | 3 |
0.5%
|
|
| 12 | 19 |
2.9%
|
|
| 13 | 1 |
0.2%
|
|
| 14 | 3 |
0.5%
|
|
| 15 | 61 |
9.4%
|
|
| 16 | 2 |
0.3%
|
|
| 18 | 17 |
2.6%
|
|
| 20 | 55 |
8.5%
|
|
| 21 | 1 |
0.2%
|
|
| 22 | 1 |
0.2%
|
|
| 25 | 28 |
4.3%
|
|
| 28 | 1 |
0.2%
|
|
| 30 | 28 |
4.3%
|
|
| 35 | 11 |
1.7%
|
|
| 36 | 1 |
0.2%
|
|
| 40 | 6 |
0.9%
|
|
| 44 | 2 |
0.3%
|
|
| 45 | 1 |
0.2%
|
|
| 50 | 20 |
3.1%
|