| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 19 |
5.1%
|
| -1 | refuse | 0 |
0%
|
| 1 | Less then 2 km | 116 |
31%
|
| 2 | 2-5 km | 75 |
20.1%
|
| 3 | 6-10 km | 61 |
16.3%
|
| 4 | 11-20 km | 50 |
13.4%
|
| 5 | More then 20 km | 53 |
14.2%
|
| Sysmiss | 675 |