| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1575 |
53.3%
|
| -7 | Does not apply (spontaneous) | 577 |
19.5%
|
| 0 | 149 |
5%
|
|
| 1 | 25 |
0.8%
|
|
| 2 | 114 |
3.9%
|
|
| 3 | 20 |
0.7%
|
|
| 4 | 4 |
0.1%
|
|
| 5 | 33 |
1.1%
|
|
| 6 | 4 |
0.1%
|
|
| 7 | 4 |
0.1%
|
|
| 10 | 130 |
4.4%
|
|
| 11 | 67 |
2.3%
|
|
| 12 | 5 |
0.2%
|
|
| 14 | 2 |
0.1%
|
|
| 15 | 7 |
0.2%
|
|
| 17 | 2 |
0.1%
|
|
| 20 | 19 |
0.6%
|
|
| 21 | 2 |
0.1%
|
|
| 22 | 48 |
1.6%
|
|
| 23 | 1 |
0%
|
|
| 25 | 20 |
0.7%
|
|
| 30 | 4 |
0.1%
|
|
| 50 | 13 |
0.4%
|
|
| 85 | 1 |
0%
|
|
| 99 | 1 |
0%
|
|
| 100 | 128 |
4.3%
|