| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 99 |
3.7%
|
| 1 | Yes, fully | 2215 |
82.1%
|
| 2 | Yes, partially | 227 |
8.4%
|
| 3 | No | 156 |
5.8%
|