| Value | Category | Cases | |
|---|---|---|---|
| 7 | 1 |
20%
|
|
| 10 | 1 |
20%
|
|
| 13 | 1 |
20%
|
|
| 18 | 1 |
20%
|
|
| 20 | 1 |
20%
|
|
| Sysmiss | 653 |