| Value | Category | Cases | |
|---|---|---|---|
| 0 | 14 |
77.8%
|
|
| 2.5 | 1 |
5.6%
|
|
| 6 | 1 |
5.6%
|
|
| 8 | 1 |
5.6%
|
|
| 12 | 1 |
5.6%
|
|
| Sysmiss | 18 |