| Value | Category | Cases | |
|---|---|---|---|
| 1 | per single trip | 74 |
43.3%
|
| 2 | per return trip | 30 |
17.5%
|
| 3 | per week | 18 |
10.5%
|
| 4 | per month | 36 |
21.1%
|
| 5 | not applicable (i do not pay) | 13 |
7.6%
|
| 8 | not applicable | 0 |
0%
|
| 9 | unspecified | 0 |
0%
|
| Sysmiss | 34862 |