| Value | Category | Cases | |
|---|---|---|---|
| 17 | 2 |
0.8%
|
|
| B2 | 1 |
0.4%
|
|
| N1 | 48 |
18.5%
|
|
| N2 | 155 |
59.8%
|
|
| N3 | 44 |
17%
|
|
| N4 | 7 |
2.7%
|
|
| N6 | 2 |
0.8%
|