Value |
Category |
1 |
HOUR |
2 |
DAY |
3 |
WEEK |
4 |
2 WEEKS |
5 |
MONTH |
6 |
QUATOR A YEAR |
7 |
HALF A YEAR |
8 |
ALL THE YEAR |
9 |
|
Sysmiss |
|
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.