| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 5km | 55 |
32.2%
|
| 2 | Between 5-10km | 42 |
24.6%
|
| 3 | Between 10-20km | 38 |
22.2%
|
| 4 | More than 20km | 36 |
21.1%
|
| Sysmiss | 1072 |