| Value |
Category |
| 0 |
|
| 1 |
Less than 6 months |
| 2 |
From 6 to 12 months |
| 3 |
From 1 year to 3 years |
| 4 |
3 to 5 years |
| 5 |
More than 5 years |
| 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.