| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.9%
|
| 2 | 13 |
11.7%
|
|
| 3 | 31 |
27.9%
|
|
| 4 | 33 |
29.7%
|
|
| 5 | 11 |
9.9%
|
|
| 6 | 10 |
9%
|
|
| 7 | 3 |
2.7%
|
|
| 8 | 4 |
3.6%
|
|
| 9 | 1 |
0.9%
|
|
| 10 | 1 |
0.9%
|
|
| 11 | 1 |
0.9%
|
|
| 12 | 1 |
0.9%
|
|
| 25 | 1 |
0.9%
|