| Value | Category | Cases | |
|---|---|---|---|
| N1 | 947 |
86.5%
|
|
| N2 | 102 |
9.3%
|
|
| N3 | 33 |
3%
|
|
| N4 | 12 |
1.1%
|
|
| N5 | 1 |
0.1%
|