| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not applicable | 17 |
2.7%
|
| 1 | Written | 52 |
8.2%
|
| 2 | Oral | 544 |
85.3%
|
| 3 | Not known | 0 |
0%
|
| 9 | Invalid | 25 |
3.9%
|