| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Does not apply (spontaneous) | 8 |
2.2%
|
| 1 | Yes | 165 |
45.8%
|
| 2 | No | 187 |
51.9%
|