| Value | Category | Cases | |
|---|---|---|---|
| 1 | 12 |
3.3%
|
|
| 3 | 1 |
0.3%
|
|
| N1 | 184 |
51%
|
|
| N2 | 92 |
25.5%
|
|
| N3 | 35 |
9.7%
|
|
| N4 | 20 |
5.5%
|
|
| N5 | 12 |
3.3%
|
|
| N6 | 3 |
0.8%
|
|
| N7 | 2 |
0.6%
|