| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 34 |
2.5%
|
| 2554 | 113 |
8.4%
|
|
| 2555 | 205 |
15.2%
|
|
| 2556 | 199 |
14.7%
|
|
| 2557 | 225 |
16.7%
|
|
| 2558 | 204 |
15.1%
|
|
| 2559 | 18 |
1.3%
|
|
| 4444 | Marked on card | 9 |
0.7%
|
| Sysmiss | 344 |
25.5%
|