| Value |
Category |
| 1 |
Never happen |
| 2 |
Rarely (less than once a week) |
| 3 |
One each period (1 or 2 times a week) |
| 4 |
Happen many times |
| 5 |
Always happen (daily) |
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.