| Value | Category | Cases | |
|---|---|---|---|
| 1 | Train | 15 |
1.5%
|
| 2 | Bus | 44 |
4.4%
|
| 3 | Taxi | 75 |
7.5%
|
| 4 | Aircraft | 14 |
1.4%
|
| 5 | Other | 261 |
26.2%
|
| 8 | Don't know | 558 |
55.9%
|
| 9 | Unspecified | 31 |
3.1%
|