| Value | Category | Cases | |
|---|---|---|---|
| -3 | Not applicable | 600 |
50.4%
|
| 0 | 0 | 249 |
20.9%
|
| 1 | 1 | 148 |
12.4%
|
| 2 | 2 | 105 |
8.8%
|
| 3 | 3 | 73 |
6.1%
|
| 4 | 4 | 9 |
0.8%
|
| 5 | 5 | 6 |
0.5%
|