| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Per single trip | 970 |
0.6%
|
| 2 | 2. Per return trip | 304 |
0.2%
|
| 3 | 3. Per week | 166 |
0.1%
|
| 4 | 4. Per month | 396 |
0.3%
|
| 5 | 5. Not applicable / I do not pay | 11139 |
7.1%
|
| 6 | 6. Do not know | 58 |
0%
|
| 8 | 8. Not applicable | 137867 |
87.7%
|
| 9 | 9. Unspecified | 6373 |
4.1%
|