| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 km | 378 |
11.7%
|
| 2 | 1-5 km | 1516 |
47.1%
|
| 3 | More than 5 km | 1250 |
38.8%
|
| 4 | Not applicable | 72 |
2.2%
|
| Sysmiss | 4 |