| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 km | 2008 |
62.4%
|
| 2 | 1-5 km | 951 |
29.5%
|
| 3 | More than 5 km | 198 |
6.1%
|
| 4 | Not applicable | 59 |
1.8%
|
| Sysmiss | 4 |