| Value |
Category |
| 1 |
Never |
| 2 |
Once this year |
| 3 |
Last term |
| 4 |
Last month |
| 5 |
Last week |
| 6 |
In this week |
| 98 |
Other |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.