| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1352 |
35.6%
|
|
| 3 | 1497 |
39.4%
|
|
| 8 | 786 |
20.7%
|
|
| 9 | 163 |
4.3%
|
|
| Sysmiss | 3497 |