| Value | Category | Cases | |
|---|---|---|---|
| N1 | 58 |
65.2%
|
|
| N2 | 24 |
27%
|
|
| N3 | 5 |
5.6%
|
|
| N4 | 1 |
1.1%
|
|
| N6 | 1 |
1.1%
|