| Value | Category | Cases | |
|---|---|---|---|
| 29 | 11 |
5.3%
|
|
| 30 | 44 |
21.3%
|
|
| 31 | 25 |
12.1%
|
|
| 32 | 61 |
29.5%
|
|
| 33 | 30 |
14.5%
|
|
| 34 | 36 |
17.4%
|
|
| Sysmiss | 104 |