| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 4 |
23.5%
|
| 2 | 12 | 1 |
5.9%
|
| 3 | 3 | 1 |
5.9%
|
| 4 | 4 | 1 |
5.9%
|
| 5 | 6 | 1 |
5.9%
|
| 6 | 8 | 1 |
5.9%
|
| Missing value | 8 |
47.1%
|