| Value | Category | Cases | |
|---|---|---|---|
| N1 | 3 |
9.1%
|
|
| N2 | 9 |
27.3%
|
|
| N3 | 2 |
6.1%
|
|
| N4 | 1 |
3%
|
|
| N6 | 13 |
39.4%
|
|
| N7 | 3 |
9.1%
|
|
| N8 | 2 |
6.1%
|