| Value | Category | Cases | |
|---|---|---|---|
| 1 | less than 1 km | 13674 |
51.7%
|
| 2 | 1-3 km | 9549 |
36.1%
|
| 3 | 4-5 km | 1444 |
5.5%
|
| 4 | 6-10 km | 752 |
2.8%
|
| 5 | more than 10 km | 1029 |
3.9%
|
| Sysmiss | 2060 |