| Value | Category | Cases | |
|---|---|---|---|
| N1 | 449 |
48.9%
|
|
| N2 | 275 |
29.9%
|
|
| N3 | 123 |
13.4%
|
|
| N4 | 39 |
4.2%
|
|
| N5 | 17 |
1.8%
|
|
| N6 | 9 |
1%
|
|
| N7 | 3 |
0.3%
|
|
| N9 | 4 |
0.4%
|