| Value | Category | Cases | |
|---|---|---|---|
| 30 | 4 |
5.1%
|
|
| 50 | 46 |
59%
|
|
| 60 | 14 |
17.9%
|
|
| 70 | 7 |
9%
|
|
| 80 | 7 |
9%
|
|
| Sysmiss | 41 |