| Value | Category | Cases | |
|---|---|---|---|
| 4 | 1 |
9.1%
|
|
| 8 | 2 |
18.2%
|
|
| 12 | 1 |
9.1%
|
|
| 15 | 2 |
18.2%
|
|
| 18 | 2 |
18.2%
|
|
| 19 | 3 |
27.3%
|
|
| Sysmiss | 1962 |