| Value | Category | Cases | |
|---|---|---|---|
| 1 | per single trip | 683 |
30.3%
|
| 2 | per return trip | 318 |
14.1%
|
| 3 | per week | 281 |
12.5%
|
| 4 | per month | 724 |
32.2%
|
| 5 | not applicable (i do not pay) | 245 |
10.9%
|
| 8 | not applicable | 0 |
0%
|
| 9 | unspecified | 0 |
0%
|
| Sysmiss | 32782 |