| Value | Category | Cases | |
|---|---|---|---|
| 9 | 3 |
8.6%
|
|
| 10 | 12 |
34.3%
|
|
| 11 | 2 |
5.7%
|
|
| 16 | 2 |
5.7%
|
|
| 17 | 12 |
34.3%
|
|
| 18 | 3 |
8.6%
|
|
| 21 | 1 |
2.9%
|
|
| Sysmiss | 275 |