| Value | Category | Cases | |
|---|---|---|---|
| 2 | 1 |
20%
|
|
| 7 | 1 |
20%
|
|
| 8 | 1 |
20%
|
|
| 12 | 1 |
20%
|
|
| 18 | 1 |
20%
|
|
| Sysmiss | 844 |