| Value | Category | Cases | |
|---|---|---|---|
| 15 | 3 |
20%
|
|
| 16 | 3 |
20%
|
|
| 18 | 4 |
26.7%
|
|
| 22 | 1 |
6.7%
|
|
| 23 | 1 |
6.7%
|
|
| 24 | 3 |
20%
|
|
| Sysmiss | 8493 |