| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1360 |
46%
|
| -8 | Refusal (spontaneous) | 837 |
28.3%
|
| 0 | 100 |
3.4%
|
|
| 1 | 3 |
0.1%
|
|
| 2 | 7 |
0.2%
|
|
| 3 | 6 |
0.2%
|
|
| 5 | 15 |
0.5%
|
|
| 6 | 2 |
0.1%
|
|
| 7 | 2 |
0.1%
|
|
| 9 | 2 |
0.1%
|
|
| 10 | 20 |
0.7%
|
|
| 12 | 1 |
0%
|
|
| 17 | 1 |
0%
|
|
| 19 | 1 |
0%
|
|
| 20 | 7 |
0.2%
|
|
| 22 | 1 |
0%
|
|
| 25 | 3 |
0.1%
|
|
| 30 | 6 |
0.2%
|
|
| 40 | 3 |
0.1%
|
|
| 50 | 16 |
0.5%
|
|
| 60 | 4 |
0.1%
|
|
| 68 | 1 |
0%
|
|
| 70 | 4 |
0.1%
|
|
| 75 | 1 |
0%
|
|
| 80 | 5 |
0.2%
|
|
| 85 | 1 |
0%
|
|
| 90 | 2 |
0.1%
|
|
| 95 | 1 |
0%
|
|
| 100 | 543 |
18.4%
|