| Value | Category | Cases | |
|---|---|---|---|
| 0 | 18 |
75%
|
|
| 5 | 2 |
8.3%
|
|
| 7 | 2 |
8.3%
|
|
| 13 | 2 |
8.3%
|
|
| Sysmiss | 209 |