| Value | Category | Cases | |
|---|---|---|---|
| 2556 | 10 |
0.3%
|
|
| 2557 | 39 |
1.3%
|
|
| 2558 | 24 |
0.8%
|
|
| 9998 | DK | 13 |
0.4%
|
| Sysmiss | 2902 |
97.1%
|