| Value | Category |
|---|---|
| 1 | on election day |
| 2 | in the last week before election day |
| 3 | a few weeks before election day |
| 4 | at least a month before election day |
| 5 | before the election campaign started |
| 6 | always intended on voting for this party |
| 7 | cannot remember [do not read] |
| 8 | refused to answer [do not read] |
| 9 | don't know [do not read] |