| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 1 | 8 |
3.7%
|
|
| 2 | 58 |
26.5%
|
|
| 3 | 49 |
22.4%
|
|
| 4 | 101 |
46.1%
|
|
| 5 | 3 |
1.4%
|