| Value | Category | Cases | |
|---|---|---|---|
| -3 | Not applicable | 610 |
50.8%
|
| 0 | 0 | 379 |
31.6%
|
| 1 | 1 | 83 |
6.9%
|
| 2 | 2 | 62 |
5.2%
|
| 3 | 3 | 34 |
2.8%
|
| 4 | 4 | 32 |
2.7%
|