| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 177 |
4.7%
|
| 1 | 103 |
2.7%
|
|
| 2 | 191 |
5.1%
|
|
| 3 | 634 |
16.8%
|
|
| 4 | 979 |
25.9%
|
|
| 5 | 860 |
22.8%
|
|
| 6 | 458 |
12.1%
|
|
| 7 | 162 |
4.3%
|
|
| 8 | 112 |
3%
|
|
| 9 | 34 |
0.9%
|
|
| 10 | 28 |
0.7%
|
|
| 11 | 11 |
0.3%
|
|
| 12 | 8 |
0.2%
|
|
| 13 | 7 |
0.2%
|
|
| 14 | 2 |
0.1%
|
|
| 15 | 3 |
0.1%
|
|
| 16 | 3 |
0.1%
|
|
| 18 | 2 |
0.1%
|
|
| 33 | 1 |
0%
|