| Value | Category | Cases | |
|---|---|---|---|
| 10 | 1 |
5.9%
|
|
| 15 | 5 |
29.4%
|
|
| 18 | 1 |
5.9%
|
|
| 20 | 7 |
41.2%
|
|
| 22 | 2 |
11.8%
|
|
| 30 | 1 |
5.9%
|
|
| Sysmiss | 213 |