| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
3.8%
|
|
| 20 | 2 |
7.7%
|
|
| 30 | 17 |
65.4%
|
|
| 34 | 1 |
3.8%
|
|
| 40 | 4 |
15.4%
|
|
| 50 | 1 |
3.8%
|
|
| Sysmiss | 24 |