EXTENT
| Date | Clue |
|---|---|
| 2021-04-03 | Scope |
| 2018-08-14 | Breadth |
| 2017-12-01 | Range |
| 2016-12-11 | Degree |
| 2015-11-10 | Full range |
| 2013-02-24 | Scope |
| 2012-12-07 | Gamut |
| 2010-04-19 | Scope |
| 2009-04-13 | Breadth |
| 2008-03-18 | Full range |
| 2007-11-06 | Full range |
| 2003-11-30 | Degree |
| 2002-10-04 | Compass |
| 2000-04-01 | Breadth |
| 1995-08-07 | Reach |