| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
1.7%
|
| 1 | 20 |
16.7%
|
|
| 2 | 30 |
25%
|
|
| 3 | 17 |
14.2%
|
|
| 4 | 23 |
19.2%
|
|
| 5 | 9 |
7.5%
|
|
| 6 | 7 |
5.8%
|
|
| 7 | 3 |
2.5%
|
|
| 8 | 4 |
3.3%
|
|
| 10 | 1 |
0.8%
|
|
| 12 | 1 |
0.8%
|
|
| 15 | 2 |
1.7%
|
|
| 44 | 1 |
0.8%
|