| Value | Category | Cases | |
|---|---|---|---|
| N1 | 601 |
36.2%
|
|
| N2 | 518 |
31.2%
|
|
| N3 | 292 |
17.6%
|
|
| N4 | 138 |
8.3%
|
|
| N5 | 62 |
3.7%
|
|
| N6 | 23 |
1.4%
|
|
| N7 | 15 |
0.9%
|
|
| N8 | 7 |
0.4%
|
|
| N9 | 4 |
0.2%
|