| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 83 |
13.9%
|
| 1 | Yes, fully | 248 |
41.5%
|
| 2 | Yes, partially | 58 |
9.7%
|
| 3 | No | 209 |
34.9%
|