| Value | Category | Cases | |
|---|---|---|---|
| N1 | 287 |
62.9%
|
|
| N2 | 109 |
23.9%
|
|
| N3 | 45 |
9.9%
|
|
| N4 | 14 |
3.1%
|
|
| N5 | 1 |
0.2%
|