| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 465 |
34.4%
|
| 2554 | 1 |
0.1%
|
|
| 2555 | 36 |
2.7%
|
|
| 2556 | 140 |
10.4%
|
|
| 2557 | 180 |
13.3%
|
|
| 2558 | 160 |
11.8%
|
|
| 2559 | 18 |
1.3%
|
|
| 4444 | Marked on card | 7 |
0.5%
|
| Sysmiss | 344 |
25.5%
|