| Value |
Category |
| 1 |
HOUR |
| 2 |
DAY |
| 3 |
WEEK |
| 4 |
MONTH |
| 96 |
OTHER, specify |
| 98 |
DON'T KNOW |
| 99 |
REFUSED |
| Missing value |
|
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.