| Value | Category | Cases | |
|---|---|---|---|
| -3 | Legal skip | 0 |
0%
|
| -2 | DK | 13 |
1.2%
|
| 0 | No | 203 |
18.7%
|
| 1 | Yes | 867 |
80.1%
|
| Sysmiss | 943 |