| Value | Category | Cases | |
|---|---|---|---|
| 10 | 22 |
2.6%
|
|
| 18 | 451 |
53.1%
|
|
| 25 | 229 |
27%
|
|
| 30 | 147 |
17.3%
|
|
| Sysmiss | 16 |