| Value | Category | Cases | |
|---|---|---|---|
| 1 | For a specified period of time | 1849 |
14.1%
|
| 2 | Until the date a task is completed | 360 |
2.7%
|
| 3 | Permanent or until retirement | 7116 |
54.1%
|
| 4 | Ongoing, until further notice | 3721 |
28.3%
|
| 5 | Do not know | 99 |
0.8%
|