| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 km | 1161 |
32.2%
|
| 2 | 1-5 km | 1595 |
44.2%
|
| 3 | More than 5 km | 359 |
10%
|
| 4 | Not applicable | 488 |
13.5%
|
| Sysmiss | 4 |