| Value | Category | Cases | |
|---|---|---|---|
| 0 | 18 |
50%
|
|
| 4 | 14 |
38.9%
|
|
| 8 | 1 |
2.8%
|
|
| 12 | 3 |
8.3%
|
|
| Sysmiss | 173 |