| Value | Category | Cases | |
|---|---|---|---|
| 0 | 15 |
31.3%
|
|
| 15 | 1 |
2.1%
|
|
| 25 | 3 |
6.3%
|
|
| 30 | 29 |
60.4%
|
|
| Sysmiss | 425 |