| Value | Category | Cases | |
|---|---|---|---|
| -1 | DK | 18088 |
17.5%
|
| 0 | None | 6290 |
6.1%
|
| 1 | Immediate <50m | 14441 |
13.9%
|
| 2 | Nearby but not immediate (50-200m) | 30796 |
29.7%
|
| 3 | Far away >200m | 33979 |
32.8%
|
| Sysmiss | 222653 |