| Value | Category | Cases | |
|---|---|---|---|
| 3 | 1 |
20%
|
|
| 9 | 1 |
20%
|
|
| 10 | 1 |
20%
|
|
| 15 | 1 |
20%
|
|
| 18 | 1 |
20%
|
|
| Sysmiss | 1004 |