| Value | Category | Cases | |
|---|---|---|---|
| N1 | 364 |
85.4%
|
|
| N2 | 50 |
11.7%
|
|
| N3 | 7 |
1.6%
|
|
| N4 | 2 |
0.5%
|
|
| N5 | 3 |
0.7%
|