| Value |
Category |
| 1 |
LESS THAN 30 DAYS |
| 2 |
WITHIN THE PAST 31-90 DAYS |
| 3 |
WITHIN THE PAST 4-6 MONTH |
| 4 |
MORE THAN 6 MONTH AGO |
| 5 |
NEVER |
| 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.