| Value |
Category |
| 1 |
Never |
| 2 |
This term |
| 3 |
Last term |
| 4 |
2 terms ago |
| 5 |
3 terms ago |
| 6 |
More than a year ago |
| Sysmiss |
|
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.
