| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 km | 517 |
14.3%
|
| 2 | 1-5 km | 1920 |
53.2%
|
| 3 | More than 5 km | 1102 |
30.6%
|
| 4 | Not applicable | 64 |
1.8%
|
| Sysmiss | 4 |