| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Per single trip | 5929 |
3.8%
|
| 2 | 2. Per return trip | 2785 |
1.8%
|
| 3 | 3. Per week | 1598 |
1%
|
| 4 | 4. Per month | 3563 |
2.3%
|
| 5 | 5. Not applicable / I do not pay | 3562 |
2.3%
|
| 6 | 6. Do not know | 115 |
0.1%
|
| 8 | 8. Not applicable | 137867 |
87.7%
|
| 9 | 9. Unspecified | 1854 |
1.2%
|