| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less then 2 km | 33 |
54.1%
|
| 2 | 2-5 km | 9 |
14.8%
|
| 3 | 6-10 km | 8 |
13.1%
|
| 4 | 11-20 km | 5 |
8.2%
|
| 5 | More then 20 km | 6 |
9.8%
|
| 11 | .B | 9 | |
| Sysmiss | 29 |