| Value | Category | Cases | |
|---|---|---|---|
| 1 | Level 1 | 2 |
0.3%
|
| 2 | Level 2 | 132 |
19.3%
|
| 3 | Level 3 | 133 |
19.4%
|
| 4 | Level 4 | 362 |
52.9%
|
| 5 | Level 5 | 50 |
7.3%
|
| 6 | Level 6 | 5 |
0.7%
|