| Value | Category | Cases | |
|---|---|---|---|
| 21 | 12 |
1.6%
|
|
| 22 | 15 |
2%
|
|
| 23 | 91 |
11.8%
|
|
| 24 | 61 |
7.9%
|
|
| 28 | 15 |
2%
|
|
| 29 | 70 |
9.1%
|
|
| 30 | 87 |
11.3%
|
|
| 31 | 173 |
22.5%
|
|
| 32 | 80 |
10.4%
|
|
| 33 | 60 |
7.8%
|
|
| 34 | 7 |
0.9%
|
|
| 35 | 92 |
12%
|
|
| 36 | 6 |
0.8%
|
|
| Sysmiss | 230 |