| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
0.3%
|
| 1 | Yes, fully | 1619 |
93.9%
|
| 2 | Yes, partially | 38 |
2.2%
|
| 3 | No | 63 |
3.7%
|