| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't Know (spontaneous) | 1 |
0.2%
|
| -7 | Doesn't apply (spontaneous) | 215 |
35.8%
|
| 1 | Yes | 120 |
20%
|
| 2 | No | 265 |
44.1%
|