| Value | Category |
|---|---|
| 1 | On foot |
| 2 | School bus |
| 3 | Private bicycle |
| 4 | Private car |
| 5 | Private motorcycle |
| 6 | Private canoe |
| 7 | Private, other |
| 8 | Private, specify |
| 9 | Public taxi |
| 10 | Public bus |
| 11 | Public motorcycle |
| 12 | Public canoe |
| 13 | Public other |
| 14 | Public, specify |
| Sysmiss |