| Value | Category | Cases | |
|---|---|---|---|
| 21 | 113 |
26.3%
|
|
| 22 | 3 |
0.7%
|
|
| 23 | 2 |
0.5%
|
|
| 24 | 80 |
18.6%
|
|
| 26 | 106 |
24.7%
|
|
| 27 | 109 |
25.4%
|
|
| 28 | 4 |
0.9%
|
|
| 29 | 12 |
2.8%
|
|
| Sysmiss | 4 |