Value |
Category |
-9 |
REFUSED |
-7 |
DON'T KNOW |
1 |
MONTHS |
2 |
WEEKS |
3 |
DAYS |
4 |
LESS THAN 1 DAY (24 HOURS) |
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.