| Value |
Category |
| 1 |
1. never |
| 2 |
2. Once only |
| 3 |
3. A few times |
| 4 |
4. Often |
| 8 |
8. Not applicable |
| 99 |
99. No response |
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.