| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 153 |
25%
|
| -8 | Refusal (spontaneous) | 9 |
1.5%
|
| 0 | 44 |
7.2%
|
|
| 1 | 17 |
2.8%
|
|
| 2 | 14 |
2.3%
|
|
| 3 | 21 |
3.4%
|
|
| 4 | 11 |
1.8%
|
|
| 5 | 31 |
5.1%
|
|
| 6 | 14 |
2.3%
|
|
| 7 | 21 |
3.4%
|
|
| 8 | 17 |
2.8%
|
|
| 9 | 9 |
1.5%
|
|
| 10 | 36 |
5.9%
|
|
| 11 | 5 |
0.8%
|
|
| 12 | 16 |
2.6%
|
|
| 13 | 9 |
1.5%
|
|
| 14 | 6 |
1%
|
|
| 15 | 30 |
4.9%
|
|
| 16 | 5 |
0.8%
|
|
| 17 | 8 |
1.3%
|
|
| 18 | 2 |
0.3%
|
|
| 19 | 2 |
0.3%
|
|
| 20 | 86 |
14.1%
|
|
| 21 | 2 |
0.3%
|
|
| 22 | 1 |
0.2%
|
|
| 23 | 1 |
0.2%
|
|
| 25 | 6 |
1%
|
|
| 26 | 1 |
0.2%
|
|
| 27 | 2 |
0.3%
|
|
| 28 | 3 |
0.5%
|
|
| 30 | 14 |
2.3%
|
|
| 32 | 1 |
0.2%
|
|
| 34 | 1 |
0.2%
|
|
| 35 | 1 |
0.2%
|
|
| 40 | 6 |
1%
|
|
| 45 | 3 |
0.5%
|
|
| 50 | 2 |
0.3%
|
|
| 60 | 2 |
0.3%
|