| Value | Category | Cases | |
|---|---|---|---|
| 50 | 2 |
12.5%
|
|
| 60 | 2 |
12.5%
|
|
| 70 | 9 |
56.3%
|
|
| 75 | 1 |
6.3%
|
|
| 80 | 2 |
12.5%
|
|
| Sysmiss | 53 |