| Value | Category | Cases | |
|---|---|---|---|
| 1 | per single trip | 2316 |
14.7%
|
| 2 | per return trip | 2067 |
13.2%
|
| 3 | per week | 1890 |
12%
|
| 4 | per month | 6210 |
39.5%
|
| 5 | not applicable (i do not pay) | 3231 |
20.6%
|
| 8 | not applicable | 0 |
0%
|
| 9 | unspecified | 0 |
0%
|
| Sysmiss | 19319 |