| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 13 |
11.7%
|
| 0 | 21 |
18.9%
|
|
| 5 | 3 |
2.7%
|
|
| 10 | 4 |
3.6%
|
|
| 15 | 2 |
1.8%
|
|
| 20 | 4 |
3.6%
|
|
| 30 | 1 |
0.9%
|
|
| 50 | 1 |
0.9%
|
|
| 60 | 4 |
3.6%
|
|
| 80 | 11 |
9.9%
|
|
| 90 | 4 |
3.6%
|
|
| 95 | 1 |
0.9%
|
|
| 98 | 1 |
0.9%
|
|
| 99 | 1 |
0.9%
|
|
| 100 | 40 |
36%
|