| Value | Category | Cases | |
|---|---|---|---|
| 30 | 7 |
20.6%
|
|
| 40 | 13 |
38.2%
|
|
| 43 | 3 |
8.8%
|
|
| 50 | 7 |
20.6%
|
|
| 60 | 2 |
5.9%
|
|
| 70 | 2 |
5.9%
|
|
| Sysmiss | 975 |