| Value | Category | Cases | |
|---|---|---|---|
| 17 | 105 |
18.5%
|
|
| 18 | 89 |
15.6%
|
|
| 20 | 132 |
23.2%
|
|
| 22 | 142 |
25%
|
|
| 24 | 101 |
17.8%
|
|
| Sysmiss | 1039 |