| Value | Category | Cases | |
|---|---|---|---|
| 20 | 2 |
22.2%
|
|
| 30 | 5 |
55.6%
|
|
| 35 | 1 |
11.1%
|
|
| 40 | 1 |
11.1%
|
|
| Sysmiss | 126 |