| Value | Category | Cases | |
|---|---|---|---|
| 1 | 8 |
11.9%
|
|
| 2 | 3 |
4.5%
|
|
| 3 | 30 |
44.8%
|
|
| 4 | 13 |
19.4%
|
|
| 5 | 11 |
16.4%
|
|
| 6 | 2 |
3%
|
|
| Missing value | 313 |