| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 26 |
23.4%
|
|
| 5 | 2 |
1.8%
|
|
| 10 | 1 |
0.9%
|
|
| 20 | 1 |
0.9%
|
|
| 50 | 1 |
0.9%
|
|
| 75 | 1 |
0.9%
|
|
| 80 | 1 |
0.9%
|
|
| 100 | 78 |
70.3%
|