| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 95 |
62.9%
|
|
| 50 | 2 |
1.3%
|
|
| 90 | 1 |
0.7%
|
|
| 100 | 53 |
35.1%
|