| Value |
Category |
| 1 |
None |
| 2 |
Once |
| 3 |
Twice |
| 4 |
Thrice |
| 5 |
More than 3 times |
| 98 |
Missing response |
| 99 |
Not applicable |
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.