| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 km | 400 |
11.1%
|
| 2 | 1-5 km | 1752 |
48.6%
|
| 3 | More than 5 km | 1390 |
38.5%
|
| 4 | Not applicable | 61 |
1.7%
|
| Sysmiss | 4 |