| Value | Category | Cases | |
|---|---|---|---|
| 1 | Train | 9 |
0.9%
|
| 2 | Bus | 27 |
2.7%
|
| 3 | Taxi | 58 |
5.8%
|
| 4 | Aircraft | 7 |
0.7%
|
| 5 | Other | 179 |
17.9%
|
| 8 | Don't know | 680 |
68.1%
|
| 9 | Unspecified | 38 |
3.8%
|