| Value | Category | Cases | |
|---|---|---|---|
| N1 | 8 |
8.7%
|
|
| N2 | 42 |
45.7%
|
|
| N3 | 21 |
22.8%
|
|
| N4 | 13 |
14.1%
|
|
| N5 | 4 |
4.3%
|
|
| N6 | 3 |
3.3%
|
|
| N7 | 1 |
1.1%
|