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.