| Value |
Category |
| 1 |
Less than 3 months |
| 2 |
From 3 to 8 months |
| 3 |
More than 8 months |
| 9 |
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.
