| Value |
Category |
| 0 |
Less than one month ago |
| 1 |
|
| 2 |
|
| 6 |
|
| 12 |
|
| 24 |
|
| 95 |
More than 24 months ago |
| 98 |
DK / Not sure |
| 99 |
Missing |
| 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.
