INTERIM
| Date | Clue |
|---|---|
| 2023-09-25 | Temporary, as a position of leadership |
| 2021-06-08 | Temporary |
| 2017-02-20 | Temporary |
| 2013-05-04 | Stopgap |
| 2008-02-09 | Temporary |
| 2006-07-30 | Temporary |
| 2005-02-19 | Gap |
| 2001-11-19 | Temporary |
| 1999-08-12 | Meantime |
| 1995-04-01 | Provisional |
| 1994-05-15 | Provisional |