| Value | Category | Cases | |
|---|---|---|---|
| 30 | 1 |
2.7%
|
|
| 50 | 13 |
35.1%
|
|
| 60 | 5 |
13.5%
|
|
| 70 | 6 |
16.2%
|
|
| 80 | 4 |
10.8%
|
|
| 100 | 8 |
21.6%
|
|
| Sysmiss | 82 |