DIRER
| Date | Clue |
|---|---|
| 2020-11-06 | More urgent |
| 2016-07-07 | Even more calamitous |
| 2009-09-28 | More grim |
| 2005-03-10 | More terrible |
| 2004-02-01 | Worse |
| 2000-02-18 | Of greater concern |
| 1999-04-17 | More terrible |
| 1996-07-19 | More calamitous |
| 1996-07-11 | More extreme |
| 1995-07-05 | More ominous |
| 1995-05-25 | More critical |
| 1994-03-01 | More extreme |