| Value | Category | Cases | |
|---|---|---|---|
| -3 | Not applicable | 590 |
49.2%
|
| 0 | 0 | 377 |
31.4%
|
| 1 | 1 | 87 |
7.3%
|
| 2 | 2 | 75 |
6.3%
|
| 3 | 3 | 40 |
3.3%
|
| 4 | 4 | 31 |
2.6%
|