| Value | Category | Cases | |
|---|---|---|---|
| N1 | 412 |
27%
|
|
| N2 | 458 |
30%
|
|
| N3 | 337 |
22.1%
|
|
| N4 | 173 |
11.3%
|
|
| N5 | 92 |
6%
|
|
| N6 | 30 |
2%
|
|
| N7 | 19 |
1.2%
|
|
| N8 | 3 |
0.2%
|
|
| N99 | 1 |
0.1%
|