| Value | Category | Cases | |
|---|---|---|---|
| N1 | 82 |
35%
|
|
| N2 | 64 |
27.4%
|
|
| N3 | 41 |
17.5%
|
|
| N4 | 29 |
12.4%
|
|
| N5 | 8 |
3.4%
|
|
| N6 | 3 |
1.3%
|
|
| N8 | 3 |
1.3%
|
|
| N9 | 4 |
1.7%
|