| Value | Category | Cases | |
|---|---|---|---|
| -3 | Not applicable | 600 |
50%
|
| 0 | 0 | 60 |
5%
|
| 1 | 1 | 137 |
11.4%
|
| 2 | 2 | 200 |
16.7%
|
| 3 | 3 | 138 |
11.5%
|
| 4 | 4 | 33 |
2.8%
|
| 5 | 5 | 32 |
2.7%
|