| Value |
Category |
| 1 |
Less than 2 years |
| 2 |
2-4 years |
| 3 |
5-7 years |
| 4 |
8-10 years |
| 5 |
11-13 years |
| 6 |
14+ |
| 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.