| Value | Category | Cases | |
|---|---|---|---|
| N1 | 362 |
48.3%
|
|
| N2 | 191 |
25.5%
|
|
| N3 | 105 |
14%
|
|
| N4 | 57 |
7.6%
|
|
| N5 | 16 |
2.1%
|
|
| N6 | 13 |
1.7%
|
|
| N7 | 3 |
0.4%
|
|
| N8 | 3 |
0.4%
|