| Value | Category | Cases | |
|---|---|---|---|
| 20 | 2 |
7.4%
|
|
| 26 | 1 |
3.7%
|
|
| 30 | 18 |
66.7%
|
|
| 34 | 1 |
3.7%
|
|
| 40 | 2 |
7.4%
|
|
| 50 | 2 |
7.4%
|
|
| 51 | 1 |
3.7%
|
|
| Sysmiss | 23 |