| Value | Category | Cases | |
|---|---|---|---|
| N1 | 5 |
20.8%
|
|
| N2 | 10 |
41.7%
|
|
| N3 | 6 |
25%
|
|
| N4 | 1 |
4.2%
|
|
| N5 | 2 |
8.3%
|