| Value | Category | Cases | |
|---|---|---|---|
| 21 | 770 |
40.7%
|
|
| 22 | 655 |
34.7%
|
|
| 23 | 224 |
11.9%
|
|
| 24 | 237 |
12.5%
|
|
| 25 | 4 |
0.2%
|
|
| Sysmiss | 122 |