| Value | Category | Cases | |
|---|---|---|---|
| 0 | 19 |
79.2%
|
|
| 3 | 2 |
8.3%
|
|
| 4 | 2 |
8.3%
|
|
| 7 | 1 |
4.2%
|
|
| Sysmiss | 18 |