| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less then 2 km | 70 |
53.8%
|
| 2 | 2-5 km | 25 |
19.2%
|
| 3 | 6-10 km | 16 |
12.3%
|
| 4 | 11-20 km | 9 |
6.9%
|
| 5 | More then 20 km | 10 |
7.7%
|
| 11 | .B | 4 | |
| Sysmiss | 166 |