| Value | Category | Cases | |
|---|---|---|---|
| 50 | 3 |
18.8%
|
|
| 60 | 1 |
6.3%
|
|
| 70 | 6 |
37.5%
|
|
| 80 | 6 |
37.5%
|
|
| Sysmiss | 41 |