| Value | Category | Cases | |
|---|---|---|---|
| 4 | 1 |
16.7%
|
|
| 8 | 1 |
16.7%
|
|
| 15 | 1 |
16.7%
|
|
| 18 | 2 |
33.3%
|
|
| 19 | 1 |
16.7%
|
|
| Sysmiss | 1967 |