| Value | Category | Cases | |
|---|---|---|---|
| 50 | 15 |
42.9%
|
|
| 60 | 11 |
31.4%
|
|
| 70 | 8 |
22.9%
|
|
| 80 | 1 |
2.9%
|
|
| Sysmiss | 781 |