| Value | Category | Cases | |
|---|---|---|---|
| -3 | Legal skip | 0 |
0%
|
| -2 | DK | 18 |
1.7%
|
| 0 | No | 289 |
26.7%
|
| 1 | Yes | 776 |
71.7%
|
| Sysmiss | 943 |