| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Per single trip | 36 |
0%
|
| 2 | 2. Per return trip | 7 |
0%
|
| 3 | 3. Per week | 29 |
0%
|
| 4 | 4. Per month | 11 |
0%
|
| 5 | 5. Not applicable / I do not pay | 12403 |
7.9%
|
| 6 | 6. Do not know | 59 |
0%
|
| 8 | 8. Not applicable | 137867 |
87.7%
|
| 9 | 9. Unspecified | 6861 |
4.4%
|