| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less then 2 km | 40 |
30.8%
|
| 2 | 2-5 km | 27 |
20.8%
|
| 3 | 6-10 km | 27 |
20.8%
|
| 4 | 11-20 km | 19 |
14.6%
|
| 5 | More then 20 km | 17 |
13.1%
|
| 11 | .B | 4 | |
| Sysmiss | 166 |