| Value | Category | Cases | |
|---|---|---|---|
| 28 | 15 |
2.5%
|
|
| 29 | 70 |
11.8%
|
|
| 30 | 87 |
14.7%
|
|
| 31 | 174 |
29.4%
|
|
| 32 | 80 |
13.5%
|
|
| 33 | 60 |
10.2%
|
|
| 34 | 7 |
1.2%
|
|
| 35 | 92 |
15.6%
|
|
| 36 | 6 |
1%
|
|
| Sysmiss | 408 |