| Value | Category |
|---|---|
| 1 | did not need to travel |
| 2 | not well enough to travel |
| 3 | familly responsibilities |
| 4 | usual car not available |
| 5 | public transport too expensive for me |
| 6 | no available public transport |
| 7 | i had no money |
| 8 | no suitable transport for disabled |
| 9 | other, specify in space under column |
| 88 | not appliacble |
| 99 | unspecified |