| Value | Category | Cases | |
|---|---|---|---|
| 0 | 19 |
39.6%
|
|
| 15 | 2 |
4.2%
|
|
| 30 | 22 |
45.8%
|
|
| 45 | 1 |
2.1%
|
|
| 50 | 2 |
4.2%
|
|
| 55 | 2 |
4.2%
|
|
| Sysmiss | 425 |