| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.3%
|
| 1 | Yes, fully | 178 |
45.4%
|
| 2 | Yes, partially | 48 |
12.2%
|
| 3 | No | 165 |
42.1%
|