| Value | Category | Cases | |
|---|---|---|---|
| -3 | Not applicable | 607 |
50.6%
|
| 0 | 0 | 42 |
3.5%
|
| 1 | 1 | 275 |
22.9%
|
| 2 | 2 | 97 |
8.1%
|
| 3 | 3 | 163 |
13.6%
|
| 4 | 4 | 16 |
1.3%
|