| Value | Category | Cases | |
|---|---|---|---|
| 1 | For a specified period of time | 150 |
7.2%
|
| 2 | Until the date a task is completed | 88 |
4.2%
|
| 3 | Permanent or until retirement | 897 |
42.9%
|
| 4 | Ongoing with no specified end date | 958 |
45.8%
|
| Sysmiss | 42759 |