| Value | Category | Cases | |
|---|---|---|---|
| 50 | 1 |
3%
|
|
| 60 | 18 |
54.5%
|
|
| 70 | 12 |
36.4%
|
|
| 75 | 1 |
3%
|
|
| 80 | 1 |
3%
|
|
| Sysmiss | 816 |