| Value |
Category |
| 1 |
2 months |
| 2 |
5 months |
| 3 |
8 months |
| 4 |
11 months |
| 5 |
14 months |
| 6 |
17 months |
| 7 |
20 months |
| 8 |
24 months |
| 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.