| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 km | 527 |
14.6%
|
| 2 | 1-5 km | 1587 |
44%
|
| 3 | More than 5 km | 1458 |
40.4%
|
| 4 | Not applicable | 31 |
0.9%
|
| Sysmiss | 4 |