| Value | Category | Cases | |
|---|---|---|---|
| N1 | 70 |
47.9%
|
|
| N2 | 52 |
35.6%
|
|
| N3 | 14 |
9.6%
|
|
| N4 | 4 |
2.7%
|
|
| N5 | 3 |
2.1%
|
|
| N7 | 2 |
1.4%
|
|
| N9 | 1 |
0.7%
|