| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.3%
|
| 1 | Yes, fully | 289 |
80.3%
|
| 2 | Yes, partially | 41 |
11.4%
|
| 3 | No | 29 |
8.1%
|