| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 44 |
29.1%
|
| 0 | 6 |
4%
|
|
| 1 | 5 |
3.3%
|
|
| 2 | 23 |
15.2%
|
|
| 3 | 5 |
3.3%
|
|
| 4 | 5 |
3.3%
|
|
| 5 | 18 |
11.9%
|
|
| 6 | 9 |
6%
|
|
| 7 | 1 |
0.7%
|
|
| 8 | 8 |
5.3%
|
|
| 9 | 2 |
1.3%
|
|
| 10 | 14 |
9.3%
|
|
| 13 | 1 |
0.7%
|
|
| 14 | 1 |
0.7%
|
|
| 15 | 1 |
0.7%
|
|
| 18 | 1 |
0.7%
|
|
| 20 | 2 |
1.3%
|
|
| 21 | 1 |
0.7%
|
|
| 30 | 2 |
1.3%
|
|
| 50 | 1 |
0.7%
|
|
| 80 | 1 |
0.7%
|