| Value | Category | Cases | |
|---|---|---|---|
| N1 | 1 |
0.3%
|
|
| N2 | 7 |
2.2%
|
|
| N3 | 4 |
1.2%
|
|
| N4 | 2 |
0.6%
|
|
| N5 | 3 |
0.9%
|
|
| N6 | 3 |
0.9%
|
|
| N7 | 2 |
0.6%
|
|
| N8 | 1 |
0.3%
|
|
| N99 | 299 |
92.9%
|