| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Per single trip | 1981 |
1.3%
|
| 2 | 2. Per return trip | 1081 |
0.7%
|
| 3 | 3. Per week | 994 |
0.6%
|
| 4 | 4. Per month | 7434 |
4.7%
|
| 5 | 5. Not applicable / I do not pay | 40844 |
26%
|
| 6 | 6. Do not know | 178 |
0.1%
|
| 8 | 8. Not applicable | 98025 |
62.3%
|
| 9 | 9. Unspecified | 6736 |
4.3%
|