| Value | Category | Cases | |
|---|---|---|---|
| N1 | 653 |
37.4%
|
|
| N2 | 563 |
32.2%
|
|
| N3 | 332 |
19%
|
|
| N4 | 123 |
7%
|
|
| N5 | 52 |
3%
|
|
| N6 | 18 |
1%
|
|
| N7 | 3 |
0.2%
|
|
| N8 | 1 |
0.1%
|
|
| N9 | 2 |
0.1%
|