| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less then 2 km | 28 |
43.8%
|
| 2 | 2-5 km | 10 |
15.6%
|
| 3 | 6-10 km | 10 |
15.6%
|
| 4 | 11-20 km | 5 |
7.8%
|
| 5 | More then 20 km | 11 |
17.2%
|
| 11 | .B | 6 | |
| Sysmiss | 29 |