| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 km | 541 |
15%
|
| 2 | 1-5 km | 1790 |
49.6%
|
| 3 | More than 5 km | 1233 |
34.2%
|
| 4 | Not applicable | 39 |
1.1%
|
| Sysmiss | 4 |